133706937 has 96 divisors (see below), whose sum is σ = 240651264. Its totient is φ = 65318400.

The previous prime is 133706927. The next prime is 133706953. The reversal of 133706937 is 739607331.

It is not a de Polignac number, because 133706937 - 2⁷ = 133706809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 133706895 and 133706904.

It is not an unprimeable number, because it can be changed into a prime (133706927) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2191887 + ... + 2191947.

It is an arithmetic number, because the mean of its divisors is an integer number (2506784).

Almost surely, 2^133706937 is an apocalyptic number.

It is an amenable number.

133706937 is a deficient number, since it is larger than the sum of its proper divisors (106944327).

133706937 is a wasteful number, since it uses less digits than its factorization.

133706937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 39.

The square root of 133706937 is about 11563.1715804964. The cubic root of 133706937 is about 511.3496699726.

The spelling of 133706937 in words is "one hundred thirty-three million, seven hundred six thousand, nine hundred thirty-seven".