136641412 has 12 divisors (see below), whose sum is σ = 239204700. Its totient is φ = 68297216.

The previous prime is 136641409. The next prime is 136641431. The reversal of 136641412 is 214146631.

It can be written as a sum of positive squares in 2 ways, for example, as 124010496 + 12630916 = 11136^2 + 3554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17964 + ... + 24412.

It is an arithmetic number, because the mean of its divisors is an integer number (19933725).

Almost surely, 2^136641412 is an apocalyptic number.

It is an amenable number.

136641412 is a deficient number, since it is larger than the sum of its proper divisors (102563288).

136641412 is a wasteful number, since it uses less digits than its factorization.

136641412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750 (or 11748 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 136641412 is about 11689.3717538626. The cubic root of 136641412 is about 515.0635067943.

It can be divided in two parts, 1366 and 41412, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 136641412 in words is "one hundred thirty-six million, six hundred forty-one thousand, four hundred twelve".