133949677 has 12 divisors (see below), whose sum is σ = 147407680. Its totient is φ = 121373208.

The previous prime is 133949663. The next prime is 133949689. The reversal of 133949677 is 776949331.

It is a happy number.

It is not a de Polignac number, because 133949677 - 2²³ = 125561069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133949677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133949617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 16714.

Almost surely, 2^133949677 is an apocalyptic number.

It is an amenable number.

133949677 is a deficient number, since it is larger than the sum of its proper divisors (13458003).

133949677 is a wasteful number, since it uses less digits than its factorization.

133949677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13392 (or 13369 counting only the distinct ones).

The product of its digits is 857304, while the sum is 49.

The square root of 133949677 is about 11573.6630761397. The cubic root of 133949677 is about 511.6589283715.

The spelling of 133949677 in words is "one hundred thirty-three million, nine hundred forty-nine thousand, six hundred seventy-seven".