157199713 has 8 divisors (see below), whose sum is σ = 171591840. Its totient is φ = 142824480.

The previous prime is 157199683. The next prime is 157199719. The reversal of 157199713 is 317991751.

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 157199713 - 2¹³ = 157191521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157199713.

It is not an unprimeable number, because it can be changed into a prime (157199719) 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, 22773 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (21448980).

Almost surely, 2^157199713 is an apocalyptic number.

It is an amenable number.

157199713 is a deficient number, since it is larger than the sum of its proper divisors (14392127).

157199713 is a wasteful number, since it uses less digits than its factorization.

157199713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8447.

The product of its digits is 59535, while the sum is 43.

The square root of 157199713 is about 12537.9309696616. The cubic root of 157199713 is about 539.6977194816.

The spelling of 157199713 in words is "one hundred fifty-seven million, one hundred ninety-nine thousand, seven hundred thirteen".