132649990 has 64 divisors (see below), whose sum is σ = 270464832. Its totient is φ = 46425600.

The previous prime is 132649903. The next prime is 132649991. The reversal of 132649990 is 99946231.

132649990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132649991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355444 + ... + 355816.

It is an arithmetic number, because the mean of its divisors is an integer number (4226013).

Almost surely, 2^132649990 is an apocalyptic number.

132649990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132649990 is an abundant number, since it is smaller than the sum of its proper divisors (137814842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132649990 is a wasteful number, since it uses less digits than its factorization.

132649990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 132649990 is about 11517.3777397461. The cubic root of 132649990 is about 509.9987056228.

The spelling of 132649990 in words is "one hundred thirty-two million, six hundred forty-nine thousand, nine hundred ninety".