712118137 has 2 divisors, whose sum is σ = 712118138. Its totient is φ = 712118136.

The previous prime is 712118131. The next prime is 712118153. The reversal of 712118137 is 731811217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671017216 + 41100921 = 25904^2 + 6411^2 .

It is a cyclic number.

It is not a de Polignac number, because 712118137 - 2³ = 712118129 is a prime.

It is a super-2 number, since 2×712118137² = 1014224482088701538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 712118099 and 712118108.

It is not a weakly prime, because it can be changed into another prime (712118131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356059068 + 356059069.

It is an arithmetic number, because the mean of its divisors is an integer number (356059069).

Almost surely, 2^712118137 is an apocalyptic number.

It is an amenable number.

712118137 is a deficient number, since it is larger than the sum of its proper divisors (1).

712118137 is an equidigital number, since it uses as much as digits as its factorization.

712118137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 31.

The square root of 712118137 is about 26685.5417220637. The cubic root of 712118137 is about 892.9984032388.

The spelling of 712118137 in words is "seven hundred twelve million, one hundred eighteen thousand, one hundred thirty-seven".