135817900 has 18 divisors (see below), whose sum is σ = 294725060. Its totient is φ = 54327120.

The previous prime is 135817897. The next prime is 135817919. The reversal of 135817900 is 9718531.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 678990 + ... + 679189.

Almost surely, 2^135817900 is an apocalyptic number.

135817900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135817900 is an abundant number, since it is smaller than the sum of its proper divisors (158907160).

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

135817900 is a wasteful number, since it uses less digits than its factorization.

135817900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358193 (or 1358186 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 135817900 is about 11654.0937013566. The cubic root of 135817900 is about 514.0266909182.

The spelling of 135817900 in words is "one hundred thirty-five million, eight hundred seventeen thousand, nine hundred".