132551431 has 16 divisors (see below), whose sum is σ = 145821600. Its totient is φ = 119927808.

The previous prime is 132551417. The next prime is 132551449. The reversal of 132551431 is 134155231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 132551431 - 2⁹ = 132550919 is a prime.

It is a super-2 number, since 2×132551431² = 35139763720295522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132551396 and 132551405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132555431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153880 + ... + 154738.

It is an arithmetic number, because the mean of its divisors is an integer number (9113850).

Almost surely, 2^132551431 is an apocalyptic number.

132551431 is a deficient number, since it is larger than the sum of its proper divisors (13270169).

132551431 is a wasteful number, since it uses less digits than its factorization.

132551431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 1800, while the sum is 25.

The square root of 132551431 is about 11513.0982363567. The cubic root of 132551431 is about 509.8723645741.

The spelling of 132551431 in words is "one hundred thirty-two million, five hundred fifty-one thousand, four hundred thirty-one".