133902135 has 24 divisors (see below), whose sum is σ = 240102720. Its totient is φ = 68951232.

The previous prime is 133902091. The next prime is 133902143. The reversal of 133902135 is 531209331.

It is a happy number.

It is not a de Polignac number, because 133902135 - 2⁷ = 133902007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133902099 and 133902108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49999 + ... + 52608.

It is an arithmetic number, because the mean of its divisors is an integer number (10004280).

Almost surely, 2^133902135 is an apocalyptic number.

133902135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133902135 is a deficient number, since it is larger than the sum of its proper divisors (106200585).

133902135 is a wasteful number, since it uses less digits than its factorization.

133902135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102647 (or 102644 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 133902135 is about 11571.6090065297. The cubic root of 133902135 is about 511.5983878069.

The spelling of 133902135 in words is "one hundred thirty-three million, nine hundred two thousand, one hundred thirty-five".