132915731 has 8 divisors (see below), whose sum is σ = 145566960. Its totient is φ = 120611232.

The previous prime is 132915719. The next prime is 132915749. The reversal of 132915731 is 137519231.

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 132915731 - 2¹⁰ = 132914707 is a prime.

It is a super-2 number, since 2×132915731² = 35333183094528722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132915701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85880 + ... + 87413.

It is an arithmetic number, because the mean of its divisors is an integer number (18195870).

Almost surely, 2^132915731 is an apocalyptic number.

132915731 is a deficient number, since it is larger than the sum of its proper divisors (12651229).

132915731 is a wasteful number, since it uses less digits than its factorization.

132915731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173365.

The product of its digits is 5670, while the sum is 32.

The square root of 132915731 is about 11528.9084912666. The cubic root of 132915731 is about 510.3390427880.

The spelling of 132915731 in words is "one hundred thirty-two million, nine hundred fifteen thousand, seven hundred thirty-one".