130921654 has 16 divisors (see below), whose sum is σ = 199565856. Its totient is φ = 64408000.

The previous prime is 130921643. The next prime is 130921673. The reversal of 130921654 is 456129031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31794 + ... + 35674.

It is an arithmetic number, because the mean of its divisors is an integer number (12472866).

Almost surely, 2^130921654 is an apocalyptic number.

130921654 is a deficient number, since it is larger than the sum of its proper divisors (68644202).

130921654 is a wasteful number, since it uses less digits than its factorization.

130921654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 130921654 is about 11442.1000694803. The cubic root of 130921654 is about 507.7740408062.

The spelling of 130921654 in words is "one hundred thirty million, nine hundred twenty-one thousand, six hundred fifty-four".