61404086133 has 24 divisors (see below), whose sum is σ = 100544706080. Its totient is φ = 35798332320.

The previous prime is 61404086131. The next prime is 61404086141. The reversal of 61404086133 is 33168040416.

It is a happy number.

61404086133 is a `hidden beast` number, since 614 + 0 + 4 + 0 + 8 + 6 + 1 + 33 = 666.

It is not a de Polignac number, because 61404086133 - 2¹ = 61404086131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61404086131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13808863 + ... + 13813308.

Almost surely, 2^61404086133 is an apocalyptic number.

It is an amenable number.

61404086133 is a deficient number, since it is larger than the sum of its proper divisors (39140619947).

61404086133 is a wasteful number, since it uses less digits than its factorization.

61404086133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27622209 (or 27622206 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 61404086133 in words is "sixty-one billion, four hundred four million, eighty-six thousand, one hundred thirty-three".