133651896 has 64 divisors (see below), whose sum is σ = 398476800. Its totient is φ = 36524928.

The previous prime is 133651883. The next prime is 133651901. The reversal of 133651896 is 698156331.

It is a happy number.

133651896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13431 + ... + 21158.

It is an arithmetic number, because the mean of its divisors is an integer number (6226200).

Almost surely, 2^133651896 is an apocalyptic number.

It is an amenable number.

133651896 is an abundant number, since it is smaller than the sum of its proper divisors (264824904).

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

133651896 is a wasteful number, since it uses less digits than its factorization.

133651896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34628 (or 34624 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 133651896 is about 11560.7913223966. The cubic root of 133651896 is about 511.2794939575.

The spelling of 133651896 in words is "one hundred thirty-three million, six hundred fifty-one thousand, eight hundred ninety-six".