65131654 has 16 divisors (see below), whose sum is σ = 111760128. Its totient is φ = 27887112.

The previous prime is 65131643. The next prime is 65131663. The reversal of 65131654 is 45613156.

65131654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23127 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (6985008).

Almost surely, 2^65131654 is an apocalyptic number.

65131654 is a deficient number, since it is larger than the sum of its proper divisors (46628474).

65131654 is a wasteful number, since it uses less digits than its factorization.

65131654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419.

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

The square root of 65131654 is about 8070.4184525959. The cubic root of 65131654 is about 402.3438515739.

The spelling of 65131654 in words is "sixty-five million, one hundred thirty-one thousand, six hundred fifty-four".