135923908 has 12 divisors (see below), whose sum is σ = 251859132. Its totient is φ = 63964160.

The previous prime is 135923863. The next prime is 135923911. The reversal of 135923908 is 809329531.

It can be written as a sum of positive squares in 2 ways, for example, as 110502144 + 25421764 = 10512^2 + 5042^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999373 + ... + 999508.

It is an arithmetic number, because the mean of its divisors is an integer number (20988261).

Almost surely, 2^135923908 is an apocalyptic number.

It is an amenable number.

135923908 is a deficient number, since it is larger than the sum of its proper divisors (115935224).

135923908 is a wasteful number, since it uses less digits than its factorization.

135923908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998902 (or 1998900 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 135923908 is about 11658.6409156471. The cubic root of 135923908 is about 514.1603914358.

The spelling of 135923908 in words is "one hundred thirty-five million, nine hundred twenty-three thousand, nine hundred eight".