135698600 has 24 divisors (see below), whose sum is σ = 315499710. Its totient is φ = 54279360.

The previous prime is 135698599. The next prime is 135698639. The reversal of 135698600 is 6896531.

It can be written as a sum of positive squares in 3 ways, for example, as 130005604 + 5692996 = 11402^2 + 2386^2 .

It is a super-2 number, since 2×135698600² = 36828220083920000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339047 + ... + 339446.

Almost surely, 2^135698600 is an apocalyptic number.

135698600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135698600 is an abundant number, since it is smaller than the sum of its proper divisors (179801110).

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

135698600 is a wasteful number, since it uses less digits than its factorization.

135698600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678509 (or 678500 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 135698600 is about 11648.9742037658. The cubic root of 135698600 is about 513.8761428973.

The spelling of 135698600 in words is "one hundred thirty-five million, six hundred ninety-eight thousand, six hundred".