157251135 has 8 divisors (see below), whose sum is σ = 251601840. Its totient is φ = 83867264.

The previous prime is 157251121. The next prime is 157251169. The reversal of 157251135 is 531152751.

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 157251135 - 2⁷ = 157251007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241690 + ... + 5241719.

It is an arithmetic number, because the mean of its divisors is an integer number (31450230).

Almost surely, 2^157251135 is an apocalyptic number.

157251135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157251135 is a deficient number, since it is larger than the sum of its proper divisors (94350705).

157251135 is a wasteful number, since it uses less digits than its factorization.

157251135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483417.

The product of its digits is 5250, while the sum is 30.

The square root of 157251135 is about 12539.9814593164. The cubic root of 157251135 is about 539.7565603665.

The spelling of 157251135 in words is "one hundred fifty-seven million, two hundred fifty-one thousand, one hundred thirty-five".