132779790 has 256 divisors, whose sum is σ = 440294400. Its totient is φ = 27993600.

The previous prime is 132779761. The next prime is 132779807. The reversal of 132779790 is 97977231.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 733500 + ... + 733680.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^132779790 is an apocalyptic number.

132779790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 132779790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220147200).

132779790 is an abundant number, since it is smaller than the sum of its proper divisors (307514610).

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

132779790 is a wasteful number, since it uses less digits than its factorization.

132779790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 132779790 is about 11523.0113251702. The cubic root of 132779790 is about 510.1649985160.

The spelling of 132779790 in words is "one hundred thirty-two million, seven hundred seventy-nine thousand, seven hundred ninety".