132999497 has 8 divisors (see below), whose sum is σ = 136844232. Its totient is φ = 129168000.

The previous prime is 132999469. The next prime is 132999541. The reversal of 132999497 is 794999231.

It can be written as a sum of positive squares in 4 ways, for example, as 30261001 + 102738496 = 5501^2 + 10136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132999497 - 2⁸ = 132999241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132999407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19247 + ... + 25227.

It is an arithmetic number, because the mean of its divisors is an integer number (17105529).

Almost surely, 2^132999497 is an apocalyptic number.

It is an amenable number.

132999497 is a deficient number, since it is larger than the sum of its proper divisors (3844735).

132999497 is an equidigital number, since it uses as much as digits as its factorization.

132999497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619.

The product of its digits is 1102248, while the sum is 53.

The square root of 132999497 is about 11532.5407868344. The cubic root of 132999497 is about 510.4462287037.

The spelling of 132999497 in words is "one hundred thirty-two million, nine hundred ninety-nine thousand, four hundred ninety-seven".