136949892 has 24 divisors (see below), whose sum is σ = 338347296. Its totient is φ = 42964608.

The previous prime is 136949887. The next prime is 136949893. The reversal of 136949892 is 298949631.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (136949893) 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, 335458 + ... + 335865.

It is an arithmetic number, because the mean of its divisors is an integer number (14097804).

Almost surely, 2^136949892 is an apocalyptic number.

136949892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136949892 is an abundant number, since it is smaller than the sum of its proper divisors (201397404).

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

136949892 is a wasteful number, since it uses less digits than its factorization.

136949892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671347 (or 671345 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 136949892 is about 11702.5592072845. The cubic root of 136949892 is about 515.4508158612.

The spelling of 136949892 in words is "one hundred thirty-six million, nine hundred forty-nine thousand, eight hundred ninety-two".