131630654 has 8 divisors (see below), whose sum is σ = 202037880. Its totient is φ = 64284696.

The previous prime is 131630617. The next prime is 131630657. The reversal of 131630654 is 456036131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131630657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765209 + ... + 765380.

It is an arithmetic number, because the mean of its divisors is an integer number (25254735).

Almost surely, 2^131630654 is an apocalyptic number.

131630654 is a deficient number, since it is larger than the sum of its proper divisors (70407226).

131630654 is a wasteful number, since it uses less digits than its factorization.

131630654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530634.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 131630654 is about 11473.0403119661. The cubic root of 131630654 is about 508.6889998842.

Adding to 131630654 its reverse (456036131), we get a palindrome (587666785).

The spelling of 131630654 in words is "one hundred thirty-one million, six hundred thirty thousand, six hundred fifty-four".