131730078 has 16 divisors (see below), whose sum is σ = 277326720. Its totient is φ = 41598936.

The previous prime is 131730077. The next prime is 131730083. The reversal of 131730078 is 870037131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131730077) 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, 577650 + ... + 577877.

It is an arithmetic number, because the mean of its divisors is an integer number (17332920).

Almost surely, 2^131730078 is an apocalyptic number.

131730078 is an abundant number, since it is smaller than the sum of its proper divisors (145596642).

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

131730078 is a wasteful number, since it uses less digits than its factorization.

131730078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155551.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 131730078 is about 11477.3724344904. The cubic root of 131730078 is about 508.8170429228.

The spelling of 131730078 in words is "one hundred thirty-one million, seven hundred thirty thousand, seventy-eight".