157894089239 has 4 divisors (see below), whose sum is σ = 157895420424. Its totient is φ = 157892758056.

The previous prime is 157894089233. The next prime is 157894089257. The reversal of 157894089239 is 932980498751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157894089239 - 2³⁶ = 89174612503 is a prime.

It is a super-2 number, since 2×157894089239² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157894089233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468152 + ... + 731405.

It is an arithmetic number, because the mean of its divisors is an integer number (39473855106).

Almost surely, 2^157894089239 is an apocalyptic number.

157894089239 is a deficient number, since it is larger than the sum of its proper divisors (1331185).

157894089239 is a wasteful number, since it uses less digits than its factorization.

157894089239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331184.

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 157894089239 in words is "one hundred fifty-seven billion, eight hundred ninety-four million, eighty-nine thousand, two hundred thirty-nine".