136240812 has 24 divisors (see below), whose sum is σ = 353217200. Its totient is φ = 45413568.

The previous prime is 136240781. The next prime is 136240817. The reversal of 136240812 is 218042631.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136240817) 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, 630637 + ... + 630852.

Almost surely, 2^136240812 is an apocalyptic number.

136240812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136240812 is an abundant number, since it is smaller than the sum of its proper divisors (216976388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136240812 is a wasteful number, since it uses less digits than its factorization.

136240812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261502 (or 1261494 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 136240812 is about 11672.2239526150. The cubic root of 136240812 is about 514.5596663456.

The spelling of 136240812 in words is "one hundred thirty-six million, two hundred forty thousand, eight hundred twelve".