132991210 has 32 divisors (see below), whose sum is σ = 262196352. Its totient is φ = 48166080.

The previous prime is 132991193. The next prime is 132991213. The reversal of 132991210 is 12199231.

132991210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (132991213) 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, 26632 + ... + 31228.

It is an arithmetic number, because the mean of its divisors is an integer number (8193636).

Almost surely, 2^132991210 is an apocalyptic number.

132991210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132991210 is a deficient number, since it is larger than the sum of its proper divisors (129205142).

132991210 is a wasteful number, since it uses less digits than its factorization.

132991210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 132991210 is about 11532.1814935423. The cubic root of 132991210 is about 510.4356267694.

The spelling of 132991210 in words is "one hundred thirty-two million, nine hundred ninety-one thousand, two hundred ten".