1372629285 has 12 divisors (see below), whose sum is σ = 2379224172. Its totient is φ = 732068928.

The previous prime is 1372629257. The next prime is 1372629319. The reversal of 1372629285 is 5829262731.

1372629285 is a `hidden beast` number, since 13 + 7 + 2 + 629 + 2 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 665175681 + 707453604 = 25791^2 + 26598^2 .

It is not a de Polignac number, because 1372629285 - 2¹³ = 1372621093 is a prime.

It is a super-2 number, since 2×1372629285² = 3768222308079222450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 30502873 = 1372629285 / (1 + 3 + 7 + 2 + 6 + 2 + 9 + 2 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1372629285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15251392 + ... + 15251481.

It is an arithmetic number, because the mean of its divisors is an integer number (198268681).

Almost surely, 2^1372629285 is an apocalyptic number.

1372629285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1372629285 is a deficient number, since it is larger than the sum of its proper divisors (1006594887).

1372629285 is a wasteful number, since it uses less digits than its factorization.

1372629285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502884 (or 30502881 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1372629285 is about 37049.0119301446. The cubic root of 1372629285 is about 1111.3505960693.

The spelling of 1372629285 in words is "one billion, three hundred seventy-two million, six hundred twenty-nine thousand, two hundred eighty-five".