132977421 has 12 divisors (see below), whose sum is σ = 200430048. Its totient is φ = 84797064.

The previous prime is 132977407. The next prime is 132977423. The reversal of 132977421 is 124779231.

It is not a de Polignac number, because 132977421 - 2⁵ = 132977389 is a prime.

It is a super-2 number, since 2×132977421² = 35365988991622482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132977423) 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, 320995 + ... + 321408.

It is an arithmetic number, because the mean of its divisors is an integer number (16702504).

Almost surely, 2^132977421 is an apocalyptic number.

It is an amenable number.

132977421 is a deficient number, since it is larger than the sum of its proper divisors (67452627).

132977421 is a wasteful number, since it uses less digits than its factorization.

132977421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642432 (or 642429 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 132977421 is about 11531.5836293200. The cubic root of 132977421 is about 510.4179849014.

The spelling of 132977421 in words is "one hundred thirty-two million, nine hundred seventy-seven thousand, four hundred twenty-one".