613138057 has 8 divisors (see below), whose sum is σ = 723333632. Its totient is φ = 508593600.

The previous prime is 613138027. The next prime is 613138069. The reversal of 613138057 is 750831316.

613138057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613138057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613138027) 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, 1412544 + ... + 1412977.

It is an arithmetic number, because the mean of its divisors is an integer number (90416704).

Almost surely, 2^613138057 is an apocalyptic number.

It is an amenable number.

613138057 is a deficient number, since it is larger than the sum of its proper divisors (110195575).

613138057 is a wasteful number, since it uses less digits than its factorization.

613138057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825559.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 613138057 is about 24761.6246841761. The cubic root of 613138057 is about 849.5444188380.

The spelling of 613138057 in words is "six hundred thirteen million, one hundred thirty-eight thousand, fifty-seven".