136149744 has 40 divisors (see below), whose sum is σ = 370234240. Its totient is φ = 42994368.

The previous prime is 136149733. The next prime is 136149779. The reversal of 136149744 is 447941631.

136149744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×136149744⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73732 + ... + 75555.

It is an arithmetic number, because the mean of its divisors is an integer number (9255856).

Almost surely, 2^136149744 is an apocalyptic number.

It is an amenable number.

136149744 is an abundant number, since it is smaller than the sum of its proper divisors (234084496).

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

136149744 is a wasteful number, since it uses less digits than its factorization.

136149744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149317 (or 149311 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 136149744 is about 11668.3222444360. The cubic root of 136149744 is about 514.4449910541. Note that the first 3 decimals are identical.

The spelling of 136149744 in words is "one hundred thirty-six million, one hundred forty-nine thousand, seven hundred forty-four".