132649810 has 32 divisors (see below), whose sum is σ = 259660080. Its totient is φ = 48586752.

The previous prime is 132649789. The next prime is 132649813. The reversal of 132649810 is 18946231.

It can be written as a sum of positive squares in 8 ways, for example, as 129937201 + 2712609 = 11399^2 + 1647^2 .

It is a super-2 number, since 2×132649810² = 35191944186072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (132649813) 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 15 ways as a sum of consecutive naturals, for example, 4255 + ... + 16834.

Almost surely, 2^132649810 is an apocalyptic number.

132649810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132649810 is a deficient number, since it is larger than the sum of its proper divisors (127010270).

132649810 is a wasteful number, since it uses less digits than its factorization.

132649810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21150.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 132649810 is about 11517.3699254648. The cubic root of 132649810 is about 509.9984749410.

The spelling of 132649810 in words is "one hundred thirty-two million, six hundred forty-nine thousand, eight hundred ten".