1373136420 has 48 divisors (see below), whose sum is σ = 3847209408. Its totient is φ = 365938560.

The previous prime is 1373136419. The next prime is 1373136433. The reversal of 1373136420 is 246313731.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 102342 + ... + 114978.

It is an arithmetic number, because the mean of its divisors is an integer number (80150196).

Almost surely, 2^1373136420 is an apocalyptic number.

1373136420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373136420 is an abundant number, since it is smaller than the sum of its proper divisors (2474072988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373136420 is a wasteful number, since it uses less digits than its factorization.

1373136420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460 (or 14458 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 1373136420 is about 37055.8554077490. The cubic root of 1373136420 is about 1111.4874466607.

The spelling of 1373136420 in words is "one billion, three hundred seventy-three million, one hundred thirty-six thousand, four hundred twenty".