132220751 has 4 divisors (see below), whose sum is σ = 142391592. Its totient is φ = 122049912.

The previous prime is 132220741. The next prime is 132220757. The reversal of 132220751 is 157022231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132220751 - 2²² = 128026447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5085401 + ... + 5085426.

It is an arithmetic number, because the mean of its divisors is an integer number (35597898).

Almost surely, 2^132220751 is an apocalyptic number.

132220751 is a deficient number, since it is larger than the sum of its proper divisors (10170841).

132220751 is a wasteful number, since it uses less digits than its factorization.

132220751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170840.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 132220751 is about 11498.7282340266. The cubic root of 132220751 is about 509.4480135768.

Adding to 132220751 its reverse (157022231), we get a palindrome (289242982).

The spelling of 132220751 in words is "one hundred thirty-two million, two hundred twenty thousand, seven hundred fifty-one".