157413739 has 4 divisors (see below), whose sum is σ = 179901424. Its totient is φ = 134926056.

The previous prime is 157413731. The next prime is 157413749. The reversal of 157413739 is 937314751.

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 157413739 - 2³ = 157413731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157413731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11243832 + ... + 11243845.

It is an arithmetic number, because the mean of its divisors is an integer number (44975356).

Almost surely, 2^157413739 is an apocalyptic number.

157413739 is a deficient number, since it is larger than the sum of its proper divisors (22487685).

157413739 is an equidigital number, since it uses as much as digits as its factorization.

157413739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487684.

The product of its digits is 79380, while the sum is 40.

The square root of 157413739 is about 12546.4632068165. The cubic root of 157413739 is about 539.9425396107.

The spelling of 157413739 in words is "one hundred fifty-seven million, four hundred thirteen thousand, seven hundred thirty-nine".