1355372139 has 16 divisors (see below), whose sum is σ = 1979316864. Its totient is φ = 818160000.

The previous prime is 1355372119. The next prime is 1355372147. The reversal of 1355372139 is 9312735531.

It is not a de Polignac number, because 1355372139 - 2¹² = 1355368043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355372097 and 1355372106.

It is not an unprimeable number, because it can be changed into a prime (1355372119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73534 + ... + 90099.

It is an arithmetic number, because the mean of its divisors is an integer number (123707304).

Almost surely, 2^1355372139 is an apocalyptic number.

1355372139 is a deficient number, since it is larger than the sum of its proper divisors (623944725).

1355372139 is a wasteful number, since it uses less digits than its factorization.

1355372139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163898.

The product of its digits is 85050, while the sum is 39.

The square root of 1355372139 is about 36815.3791098231. The cubic root of 1355372139 is about 1106.6735188625.

The spelling of 1355372139 in words is "one billion, three hundred fifty-five million, three hundred seventy-two thousand, one hundred thirty-nine".