132651551 has 4 divisors (see below), whose sum is σ = 132680472. Its totient is φ = 132622632.

The previous prime is 132651509. The next prime is 132651587. The reversal of 132651551 is 155156231.

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 132651551 - 2⁶ = 132651487 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 (132651451) 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, 5885 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (33170118).

Almost surely, 2^132651551 is an apocalyptic number.

132651551 is a deficient number, since it is larger than the sum of its proper divisors (28921).

132651551 is an equidigital number, since it uses as much as digits as its factorization.

132651551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920.

The product of its digits is 4500, while the sum is 29.

The square root of 132651551 is about 11517.4455067085. The cubic root of 132651551 is about 510.0007061377. Note that the first 3 decimals are identical.

The spelling of 132651551 in words is "one hundred thirty-two million, six hundred fifty-one thousand, five hundred fifty-one".