131654650 has 24 divisors (see below), whose sum is σ = 249503004. Its totient is φ = 51667200.

The previous prime is 131654641. The next prime is 131654687. The reversal of 131654650 is 56456131.

It can be written as a sum of positive squares in 6 ways, for example, as 80946009 + 50708641 = 8997^2 + 7121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22191 + ... + 27490.

Almost surely, 2^131654650 is an apocalyptic number.

131654650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131654650 is a deficient number, since it is larger than the sum of its proper divisors (117848354).

131654650 is a wasteful number, since it uses less digits than its factorization.

131654650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49746 (or 49741 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 131654650 is about 11474.0860202458. The cubic root of 131654650 is about 508.7199089954.

The spelling of 131654650 in words is "one hundred thirty-one million, six hundred fifty-four thousand, six hundred fifty".