132305715 has 12 divisors (see below), whose sum is σ = 229329984. Its totient is φ = 70563024.

The previous prime is 132305707. The next prime is 132305717. The reversal of 132305715 is 517503231.

It is not a de Polignac number, because 132305715 - 2³ = 132305707 is a prime.

It is a super-2 number, since 2×132305715² = 35009604443322450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132305717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1470019 + ... + 1470108.

It is an arithmetic number, because the mean of its divisors is an integer number (19110832).

Almost surely, 2^132305715 is an apocalyptic number.

132305715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

132305715 is a deficient number, since it is larger than the sum of its proper divisors (97024269).

132305715 is a wasteful number, since it uses less digits than its factorization.

132305715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940138 (or 2940135 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 132305715 is about 11502.4221362285. The cubic root of 132305715 is about 509.5571126215.

Adding to 132305715 its reverse (517503231), we get a palindrome (649808946).

The spelling of 132305715 in words is "one hundred thirty-two million, three hundred five thousand, seven hundred fifteen".