1379223537 has 8 divisors (see below), whose sum is σ = 1840114080. Its totient is φ = 918907680.

The previous prime is 1379223523. The next prime is 1379223539. The reversal of 1379223537 is 7353229731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1379223537 - 2¹⁹ = 1378699249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379223539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138039 + ... + 147692.

It is an arithmetic number, because the mean of its divisors is an integer number (230014260).

Almost surely, 2^1379223537 is an apocalyptic number.

It is an amenable number.

1379223537 is a deficient number, since it is larger than the sum of its proper divisors (460890543).

1379223537 is a wasteful number, since it uses less digits than its factorization.

1379223537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287343.

The product of its digits is 238140, while the sum is 42.

The square root of 1379223537 is about 37137.8989308765. The cubic root of 1379223537 is about 1113.1274345134.

The spelling of 1379223537 in words is "one billion, three hundred seventy-nine million, two hundred twenty-three thousand, five hundred thirty-seven".