132229451 has 4 divisors (see below), whose sum is σ = 140007672. Its totient is φ = 124451232.

The previous prime is 132229399. The next prime is 132229457. The reversal of 132229451 is 154922231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154922231 = 41 ⋅3778591.

It is a cyclic number.

It is not a de Polignac number, because 132229451 - 2²² = 128035147 is a prime.

It is a super-2 number, since 2×132229451² = 34969255423522802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132229457) 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, 3889085 + ... + 3889118.

It is an arithmetic number, because the mean of its divisors is an integer number (35001918).

Almost surely, 2^132229451 is an apocalyptic number.

132229451 is a deficient number, since it is larger than the sum of its proper divisors (7778221).

132229451 is an equidigital number, since it uses as much as digits as its factorization.

132229451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778220.

The product of its digits is 4320, while the sum is 29.

The square root of 132229451 is about 11499.1065305092. The cubic root of 132229451 is about 509.4591870638.

The spelling of 132229451 in words is "one hundred thirty-two million, two hundred twenty-nine thousand, four hundred fifty-one".