132647399 has 16 divisors (see below), whose sum is σ = 138240000. Its totient is φ = 127214880.

The previous prime is 132647387. The next prime is 132647443. The reversal of 132647399 is 993746231.

It is a cyclic number.

It is not a de Polignac number, because 132647399 - 2¹⁶ = 132581863 is a prime.

It is a super-2 number, since 2×132647399² = 35190664922930402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132647329) 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, 694394 + ... + 694584.

It is an arithmetic number, because the mean of its divisors is an integer number (8640000).

Almost surely, 2^132647399 is an apocalyptic number.

132647399 is a deficient number, since it is larger than the sum of its proper divisors (5592601).

132647399 is a wasteful number, since it uses less digits than its factorization.

132647399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 244944, while the sum is 44.

The square root of 132647399 is about 11517.2652569957. The cubic root of 132647399 is about 509.9953850665.

The spelling of 132647399 in words is "one hundred thirty-two million, six hundred forty-seven thousand, three hundred ninety-nine".