513670137 has 8 divisors (see below), whose sum is σ = 685848960. Its totient is φ = 341969040.

The previous prime is 513670133. The next prime is 513670141. The reversal of 513670137 is 731076315.

It is an interprime number because it is at equal distance from previous prime (513670133) and next prime (513670141).

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

It is not a de Polignac number, because 513670137 - 2² = 513670133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513670098 and 513670107.

It is not an unprimeable number, because it can be changed into a prime (513670133) 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, 116914 + ... + 121227.

It is an arithmetic number, because the mean of its divisors is an integer number (85731120).

Almost surely, 2^513670137 is an apocalyptic number.

It is an amenable number.

513670137 is a deficient number, since it is larger than the sum of its proper divisors (172178823).

513670137 is a wasteful number, since it uses less digits than its factorization.

513670137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238863.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 513670137 is about 22664.2921133663. The cubic root of 513670137 is about 800.8689189041.

The spelling of 513670137 in words is "five hundred thirteen million, six hundred seventy thousand, one hundred thirty-seven".