157339139 has 8 divisors (see below), whose sum is σ = 160764480. Its totient is φ = 153930816.

The previous prime is 157339103. The next prime is 157339187. The reversal of 157339139 is 931933751.

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

It is a cyclic number.

It is not a de Polignac number, because 157339139 - 2²⁴ = 140561923 is a prime.

It is a super-2 number, since 2×157339139² = 49511209322522642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157339096 and 157339105.

It is not an unprimeable number, because it can be changed into a prime (157339439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15407 + ... + 23495.

It is an arithmetic number, because the mean of its divisors is an integer number (20095560).

Almost surely, 2^157339139 is an apocalyptic number.

157339139 is a deficient number, since it is larger than the sum of its proper divisors (3425341).

157339139 is an equidigital number, since it uses as much as digits as its factorization.

157339139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509.

The product of its digits is 76545, while the sum is 41.

The square root of 157339139 is about 12543.4899051261. The cubic root of 157339139 is about 539.8572313473.

The spelling of 157339139 in words is "one hundred fifty-seven million, three hundred thirty-nine thousand, one hundred thirty-nine".