132749830 has 16 divisors (see below), whose sum is σ = 239182704. Its totient is φ = 53048160.

The previous prime is 132749807. The next prime is 132749833. The reversal of 132749830 is 38947231.

It is a self number, because there is not a number n which added to its sum of digits gives 132749830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132749833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5320 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (14948919).

Almost surely, 2^132749830 is an apocalyptic number.

132749830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132749830 is a deficient number, since it is larger than the sum of its proper divisors (106432874).

132749830 is a wasteful number, since it uses less digits than its factorization.

132749830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 132749830 is about 11521.7112444289. The cubic root of 132749830 is about 510.1266249726.

It can be divided in two parts, 13274 and 9830, that added together give a square (23104 = 152²).

The spelling of 132749830 in words is "one hundred thirty-two million, seven hundred forty-nine thousand, eight hundred thirty".