131730378 has 32 divisors (see below), whose sum is σ = 289771776. Its totient is φ = 39668928.

The previous prime is 131730353. The next prime is 131730427. The reversal of 131730378 is 873037131.

131730378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14301 + ... + 21632.

It is an arithmetic number, because the mean of its divisors is an integer number (9055368).

Almost surely, 2^131730378 is an apocalyptic number.

131730378 is an abundant number, since it is smaller than the sum of its proper divisors (158041398).

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

131730378 is a wasteful number, since it uses less digits than its factorization.

131730378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35998.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 131730378 is about 11477.3855036763. The cubic root of 131730378 is about 508.8174291798.

The spelling of 131730378 in words is "one hundred thirty-one million, seven hundred thirty thousand, three hundred seventy-eight".