136404635187000 has 64 divisors (see below), whose sum is σ = 425582461792800. Its totient is φ = 36374569382400.

The previous prime is 136404635186987. The next prime is 136404635187091. The reversal of 136404635187000 is 781536404631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22734102865 + ... + 22734108864.

Almost surely, 2^{136404635187000} is an apocalyptic number.

136404635187000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136404635187000 is an abundant number, since it is smaller than the sum of its proper divisors (289177826605800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136404635187000 is a wasteful number, since it uses less digits than its factorization.

136404635187000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45468211753 (or 45468211739 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 136404635187000 in words is "one hundred thirty-six trillion, four hundred four billion, six hundred thirty-five million, one hundred eighty-seven thousand".