137753091720 has 128 divisors (see below), whose sum is σ = 473989248000. Its totient is φ = 35549176320.

The previous prime is 137753091713. The next prime is 137753091733. The reversal of 137753091720 is 27190357731.

137753091720 is a `hidden beast` number, since 1 + 3 + 7 + 7 + 530 + 91 + 7 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2023765 + ... + 2090724.

It is an arithmetic number, because the mean of its divisors is an integer number (3703041000).

Almost surely, 2^137753091720 is an apocalyptic number.

137753091720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137753091720 is an abundant number, since it is smaller than the sum of its proper divisors (336236156280).

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

137753091720 is a wasteful number, since it uses less digits than its factorization.

137753091720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114540 (or 4114530 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The spelling of 137753091720 in words is "one hundred thirty-seven billion, seven hundred fifty-three million, ninety-one thousand, seven hundred twenty".