136019274495440 has 80 divisors (see below), whose sum is σ = 361450233740160. Its totient is φ = 46631619816960.

The previous prime is 136019274495439. The next prime is 136019274495529. The reversal of 136019274495440 is 44594472910631.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 136019274495440.

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, 1923266 + ... + 16605345.

It is an arithmetic number, because the mean of its divisors is an integer number (4518127921752).

Almost surely, 2^{136019274495440} is an apocalyptic number.

136019274495440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136019274495440 is an abundant number, since it is smaller than the sum of its proper divisors (225430959244720).

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

136019274495440 is a wasteful number, since it uses less digits than its factorization.

136019274495440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541740 (or 18541734 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 136019274495440 in words is "one hundred thirty-six trillion, nineteen billion, two hundred seventy-four million, four hundred ninety-five thousand, four hundred forty".