131750490 has 16 divisors (see below), whose sum is σ = 316201248. Its totient is φ = 35133456.

The previous prime is 131750461. The next prime is 131750497. The reversal of 131750490 is 94057131.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4391683 = 131750490 / (1 + 3 + 1 + 7 + 5 + 0 + 4 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131750497) 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, 2195812 + ... + 2195871.

It is an arithmetic number, because the mean of its divisors is an integer number (19762578).

Almost surely, 2^131750490 is an apocalyptic number.

131750490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131750490 is an abundant number, since it is smaller than the sum of its proper divisors (184450758).

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

131750490 is a wasteful number, since it uses less digits than its factorization.

131750490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391693.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 131750490 is about 11478.2616279644. The cubic root of 131750490 is about 508.8433225121.

The spelling of 131750490 in words is "one hundred thirty-one million, seven hundred fifty thousand, four hundred ninety".