132111651 has 16 divisors (see below), whose sum is σ = 201680384. Its totient is φ = 75354624.

The previous prime is 132111647. The next prime is 132111653. The reversal of 132111651 is 156111231.

It is a happy number.

It is not a de Polignac number, because 132111651 - 2² = 132111647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132111653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6666 + ... + 17568.

It is an arithmetic number, because the mean of its divisors is an integer number (12605024).

Almost surely, 2^132111651 is an apocalyptic number.

132111651 is a deficient number, since it is larger than the sum of its proper divisors (69568733).

132111651 is a wasteful number, since it uses less digits than its factorization.

132111651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490.

The product of its digits is 180, while the sum is 21.

The square root of 132111651 is about 11493.9832521193. The cubic root of 132111651 is about 509.3078538513.

Adding to 132111651 its reverse (156111231), we get a palindrome (288222882).

The spelling of 132111651 in words is "one hundred thirty-two million, one hundred eleven thousand, six hundred fifty-one".