136735940 has 24 divisors (see below), whose sum is σ = 313250112. Its totient is φ = 49722080.

The previous prime is 136735909. The next prime is 136735961. The reversal of 136735940 is 49537631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136735894 and 136735903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310544 + ... + 310983.

It is an arithmetic number, because the mean of its divisors is an integer number (13052088).

Almost surely, 2^136735940 is an apocalyptic number.

136735940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136735940 is an abundant number, since it is smaller than the sum of its proper divisors (176514172).

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

136735940 is a wasteful number, since it uses less digits than its factorization.

136735940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621547 (or 621545 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 136735940 is about 11693.4143858840. The cubic root of 136735940 is about 515.1822523962.

The spelling of 136735940 in words is "one hundred thirty-six million, seven hundred thirty-five thousand, nine hundred forty".