712420136 has 8 divisors (see below), whose sum is σ = 1335787770. Its totient is φ = 356210064.

The previous prime is 712420133. The next prime is 712420153. The reversal of 712420136 is 631024217.

712420136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 515017636 + 197402500 = 22694^2 + 14050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (712420133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44526251 + ... + 44526266.

Almost surely, 2^712420136 is an apocalyptic number.

It is an amenable number.

712420136 is a deficient number, since it is larger than the sum of its proper divisors (623367634).

712420136 is a wasteful number, since it uses less digits than its factorization.

712420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89052523 (or 89052519 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 712420136 is about 26691.1995983695. The cubic root of 712420136 is about 893.1246212995.

The spelling of 712420136 in words is "seven hundred twelve million, four hundred twenty thousand, one hundred thirty-six".