135406904 has 24 divisors (see below), whose sum is σ = 269705640. Its totient is φ = 63719808.

The previous prime is 135406903. The next prime is 135406907. The reversal of 135406904 is 409604531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135406903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26972 + ... + 31595.

It is an arithmetic number, because the mean of its divisors is an integer number (11237735).

Almost surely, 2^135406904 is an apocalyptic number.

It is an amenable number.

135406904 is a deficient number, since it is larger than the sum of its proper divisors (134298736).

135406904 is a wasteful number, since it uses less digits than its factorization.

135406904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58607 (or 58586 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 135406904 is about 11636.4472241316. The cubic root of 135406904 is about 513.5076715243.

The spelling of 135406904 in words is "one hundred thirty-five million, four hundred six thousand, nine hundred four".