132690381 has 8 divisors (see below), whose sum is σ = 184612800. Its totient is φ = 84614112.

The previous prime is 132690361. The next prime is 132690419. The reversal of 132690381 is 183096231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132690381 - 2⁶ = 132690317 is a prime.

It is a super-2 number, since 2×132690381² = 35213474419850322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132690331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961456 + ... + 961593.

It is an arithmetic number, because the mean of its divisors is an integer number (23076600).

Almost surely, 2^132690381 is an apocalyptic number.

It is an amenable number.

132690381 is a deficient number, since it is larger than the sum of its proper divisors (51922419).

132690381 is a wasteful number, since it uses less digits than its factorization.

132690381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923075.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 132690381 is about 11519.1310870221. The cubic root of 132690381 is about 510.0504640568.

The spelling of 132690381 in words is "one hundred thirty-two million, six hundred ninety thousand, three hundred eighty-one".