157593139 has 8 divisors (see below), whose sum is σ = 172915632. Its totient is φ = 142436640.

The previous prime is 157593109. The next prime is 157593143. The reversal of 157593139 is 931395751.

157593139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157593139 - 2¹⁵ = 157560371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157593095 and 157593104.

It is not an unprimeable number, because it can be changed into a prime (157593109) 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, 39504 + ... + 43309.

It is an arithmetic number, because the mean of its divisors is an integer number (21614454).

Almost surely, 2^157593139 is an apocalyptic number.

157593139 is a deficient number, since it is larger than the sum of its proper divisors (15322493).

157593139 is a wasteful number, since it uses less digits than its factorization.

157593139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82997.

The product of its digits is 127575, while the sum is 43.

The square root of 157593139 is about 12553.6105961592. The cubic root of 157593139 is about 540.1475808334.

The spelling of 157593139 in words is "one hundred fifty-seven million, five hundred ninety-three thousand, one hundred thirty-nine".