158657513 has 8 divisors (see below), whose sum is σ = 181436928. Its totient is φ = 135906624.

The previous prime is 158657491. The next prime is 158657531. The reversal of 158657513 is 315756851.

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

It is a de Polignac number, because none of the positive numbers 2^k-158657513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158657593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (22679616).

Almost surely, 2^158657513 is an apocalyptic number.

It is an amenable number.

158657513 is a deficient number, since it is larger than the sum of its proper divisors (22779415).

158657513 is a wasteful number, since it uses less digits than its factorization.

158657513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263.

The product of its digits is 126000, while the sum is 41.

The square root of 158657513 is about 12595.9323989929. The cubic root of 158657513 is about 541.3608941317.

The spelling of 158657513 in words is "one hundred fifty-eight million, six hundred fifty-seven thousand, five hundred thirteen".