132788381 has 8 divisors (see below), whose sum is σ = 148393728. Its totient is φ = 117772000.

The previous prime is 132788371. The next prime is 132788393. The reversal of 132788381 is 183887231.

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

It is a cyclic number.

It is not a de Polignac number, because 132788381 - 2⁶ = 132788317 is a prime.

It is a super-2 number, since 2×132788381² = 35265508257202322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132788311) 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, 146765 + ... + 147666.

It is an arithmetic number, because the mean of its divisors is an integer number (18549216).

Almost surely, 2^132788381 is an apocalyptic number.

132788381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132788381 is a deficient number, since it is larger than the sum of its proper divisors (15605347).

132788381 is a wasteful number, since it uses less digits than its factorization.

132788381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294483.

The product of its digits is 64512, while the sum is 41.

The square root of 132788381 is about 11523.3840949610. The cubic root of 132788381 is about 510.1760010262.

The spelling of 132788381 in words is "one hundred thirty-two million, seven hundred eighty-eight thousand, three hundred eighty-one".