132622731 has 16 divisors (see below), whose sum is σ = 196655520. Its totient is φ = 88335360.

The previous prime is 132622709. The next prime is 132622733. The reversal of 132622731 is 137226231.

132622731 is a `hidden beast` number, since 1 + 3 + 2 + 622 + 7 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-132622731 is a prime.

It is a super-2 number, since 2×132622731² = 35177577555796722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 132622695 and 132622704.

It is not an unprimeable number, because it can be changed into a prime (132622733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57211 + ... + 59483.

It is an arithmetic number, because the mean of its divisors is an integer number (12290970).

Almost surely, 2^132622731 is an apocalyptic number.

132622731 is a deficient number, since it is larger than the sum of its proper divisors (64032789).

132622731 is a wasteful number, since it uses less digits than its factorization.

132622731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443 (or 4437 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 132622731 is about 11516.1942932550. The cubic root of 132622731 is about 509.9637690525.

Adding to 132622731 its reverse (137226231), we get a palindrome (269848962).

The spelling of 132622731 in words is "one hundred thirty-two million, six hundred twenty-two thousand, seven hundred thirty-one".