157069317 has 8 divisors (see below), whose sum is σ = 209578624. Its totient is φ = 104636448.

The previous prime is 157069313. The next prime is 157069331. The reversal of 157069317 is 713960751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157069317 - 2² = 157069313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157069313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14128 + ... + 22665.

It is an arithmetic number, because the mean of its divisors is an integer number (26197328).

Almost surely, 2^157069317 is an apocalyptic number.

It is an amenable number.

157069317 is a deficient number, since it is larger than the sum of its proper divisors (52509307).

157069317 is a wasteful number, since it uses less digits than its factorization.

157069317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38219.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 157069317 is about 12532.7298303283. The cubic root of 157069317 is about 539.5484531125.

The spelling of 157069317 in words is "one hundred fifty-seven million, sixty-nine thousand, three hundred seventeen".