135006920 has 16 divisors (see below), whose sum is σ = 303765660. Its totient is φ = 54002752.

The previous prime is 135006917. The next prime is 135006931. The reversal of 135006920 is 29600531.

It can be written as a sum of positive squares in 2 ways, for example, as 117983044 + 17023876 = 10862^2 + 4126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135006920.

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, 1687547 + ... + 1687626.

Almost surely, 2^135006920 is an apocalyptic number.

135006920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135006920 is an abundant number, since it is smaller than the sum of its proper divisors (168758740).

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

135006920 is a wasteful number, since it uses less digits than its factorization.

135006920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375184 (or 3375180 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 135006920 is about 11619.2478241924. The cubic root of 135006920 is about 513.0015490633.

The spelling of 135006920 in words is "one hundred thirty-five million, six thousand, nine hundred twenty".