137768231663750 has 80 divisors (see below), whose sum is σ = 271831546060800. Its totient is φ = 52205454180000.

The previous prime is 137768231663749. The next prime is 137768231663759. The reversal of 137768231663750 is 57366132867731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137768231663759) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1277482331 + ... + 1277590169.

It is an arithmetic number, because the mean of its divisors is an integer number (3397894325760).

Almost surely, 2^{137768231663750} is an apocalyptic number.

137768231663750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137768231663750 is a deficient number, since it is larger than the sum of its proper divisors (134063314397050).

137768231663750 is a wasteful number, since it uses less digits than its factorization.

137768231663750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161671 (or 161656 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 65.

The spelling of 137768231663750 in words is "one hundred thirty-seven trillion, seven hundred sixty-eight billion, two hundred thirty-one million, six hundred sixty-three thousand, seven hundred fifty".