612136713 has 4 divisors (see below), whose sum is σ = 816182288. Its totient is φ = 408091140.

The previous prime is 612136711. The next prime is 612136747. The reversal of 612136713 is 317631216.

612136713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 612136713 - 2¹ = 612136711 is a prime.

It is a super-2 number, since 2×612136713² = 749422710804888738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612136711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102022783 + ... + 102022788.

It is an arithmetic number, because the mean of its divisors is an integer number (204045572).

Almost surely, 2^612136713 is an apocalyptic number.

It is an amenable number.

612136713 is a deficient number, since it is larger than the sum of its proper divisors (204045575).

612136713 is a wasteful number, since it uses less digits than its factorization.

612136713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204045574.

The product of its digits is 4536, while the sum is 30.

The square root of 612136713 is about 24741.3967471523. The cubic root of 612136713 is about 849.0816901394.

Adding to 612136713 its reverse (317631216), we get a palindrome (929767929).

The spelling of 612136713 in words is "six hundred twelve million, one hundred thirty-six thousand, seven hundred thirteen".