136231412 has 24 divisors (see below), whose sum is σ = 244510056. Its totient is φ = 66388608.

The previous prime is 136231411. The next prime is 136231423. The reversal of 136231412 is 214132631.

It can be written as a sum of positive squares in 4 ways, for example, as 16679056 + 119552356 = 4084^2 + 10934^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136231411) 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, 31238 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (10187919).

Almost surely, 2^136231412 is an apocalyptic number.

It is an amenable number.

136231412 is a deficient number, since it is larger than the sum of its proper divisors (108278644).

136231412 is a wasteful number, since it uses less digits than its factorization.

136231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4305 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 136231412 is about 11671.8212803315. The cubic root of 136231412 is about 514.5478319767.

The spelling of 136231412 in words is "one hundred thirty-six million, two hundred thirty-one thousand, four hundred twelve".