157207393 has 16 divisors (see below), whose sum is σ = 184698880. Its totient is φ = 131026896.

The previous prime is 157207361. The next prime is 157207411. The reversal of 157207393 is 393702751.

It is not a de Polignac number, because 157207393 - 2⁵ = 157207361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157207333) 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, 34930 + ... + 39172.

It is an arithmetic number, because the mean of its divisors is an integer number (11543680).

Almost surely, 2^157207393 is an apocalyptic number.

It is an amenable number.

157207393 is a deficient number, since it is larger than the sum of its proper divisors (27491487).

157207393 is an equidigital number, since it uses as much as digits as its factorization.

157207393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 157207393 is about 12538.2372365496. The cubic root of 157207393 is about 539.7065083250.

The spelling of 157207393 in words is "one hundred fifty-seven million, two hundred seven thousand, three hundred ninety-three".