132938690 has 16 divisors (see below), whose sum is σ = 239510520. Its totient is φ = 53126400.

The previous prime is 132938591. The next prime is 132938699. The reversal of 132938690 is 96839231.

132938690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30261001 + 102677689 = 5501^2 + 10133^2 .

It is a super-2 number, since 2×132938690² = 35345390597832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132938699) by changing a digit.

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, 6476 + ... + 17544.

Almost surely, 2^132938690 is an apocalyptic number.

132938690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132938690 is a deficient number, since it is larger than the sum of its proper divisors (106571830).

132938690 is a wasteful number, since it uses less digits than its factorization.

132938690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 132938690 is about 11529.9041626546. The cubic root of 132938690 is about 510.3684253134.

The spelling of 132938690 in words is "one hundred thirty-two million, nine hundred thirty-eight thousand, six hundred ninety".