132991970 has 16 divisors (see below), whose sum is σ = 247640760. Its totient is φ = 51362304.

The previous prime is 132991967. The next prime is 132991981. The reversal of 132991970 is 79199231.

It can be written as a sum of positive squares in 4 ways, for example, as 118831801 + 14160169 = 10901^2 + 3763^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229007 + ... + 229586.

Almost surely, 2^132991970 is an apocalyptic number.

132991970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132991970 is a deficient number, since it is larger than the sum of its proper divisors (114648790).

132991970 is a wasteful number, since it uses less digits than its factorization.

132991970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458629.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 132991970 is about 11532.2144447630. The cubic root of 132991970 is about 510.4365990902.

The spelling of 132991970 in words is "one hundred thirty-two million, nine hundred ninety-one thousand, nine hundred seventy".