132749740 has 12 divisors (see below), whose sum is σ = 278774496. Its totient is φ = 53099888.

The previous prime is 132749731. The next prime is 132749777. The reversal of 132749740 is 47947231.

It is a self number, because there is not a number n which added to its sum of digits gives 132749740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3318724 + ... + 3318763.

It is an arithmetic number, because the mean of its divisors is an integer number (23231208).

Almost surely, 2^132749740 is an apocalyptic number.

132749740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132749740 is an abundant number, since it is smaller than the sum of its proper divisors (146024756).

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

132749740 is a wasteful number, since it uses less digits than its factorization.

132749740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637496 (or 6637494 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 132749740 is about 11521.7073387584. The cubic root of 132749740 is about 510.1265096896.

The spelling of 132749740 in words is "one hundred thirty-two million, seven hundred forty-nine thousand, seven hundred forty".