136215512 has 32 divisors (see below), whose sum is σ = 261312480. Its totient is φ = 66543360.

The previous prime is 136215493. The next prime is 136215517. The reversal of 136215512 is 215512631.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136215517) 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, 131348 + ... + 132380.

It is an arithmetic number, because the mean of its divisors is an integer number (8166015).

Almost surely, 2^136215512 is an apocalyptic number.

It is an amenable number.

136215512 is a deficient number, since it is larger than the sum of its proper divisors (125096968).

136215512 is a wasteful number, since it uses less digits than its factorization.

136215512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1399 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 136215512 is about 11671.1401328234. The cubic root of 136215512 is about 514.5278130282.

The spelling of 136215512 in words is "one hundred thirty-six million, two hundred fifteen thousand, five hundred twelve".