130773690 has 80 divisors (see below), whose sum is σ = 372359592. Its totient is φ = 32818176.

The previous prime is 130773683. The next prime is 130773743. The reversal of 130773690 is 96377031.

It can be written as a sum of positive squares in 4 ways, for example, as 89132481 + 41641209 = 9441^2 + 6453^2 .

It is a super-2 number, since 2×130773690² = 34203515992432200, which contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 9022 + ... + 18518.

Almost surely, 2^130773690 is an apocalyptic number.

130773690 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 130773690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186179796).

130773690 is an abundant number, since it is smaller than the sum of its proper divisors (241585902).

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

130773690 is a wasteful number, since it uses less digits than its factorization.

130773690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533 (or 9524 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 130773690 is about 11435.6324704845. The cubic root of 130773690 is about 507.5826780133.

The spelling of 130773690 in words is "one hundred thirty million, seven hundred seventy-three thousand, six hundred ninety".