137263251057206 has 16 divisors (see below), whose sum is σ = 221580214342560. Its totient is φ = 63535545329280.

The previous prime is 137263251057181. The next prime is 137263251057211. The reversal of 137263251057206 is 602750152362731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33091427786 + ... + 33091431933.

It is an arithmetic number, because the mean of its divisors is an integer number (13848763396410).

Almost surely, 2^{137263251057206} is an apocalyptic number.

137263251057206 is a deficient number, since it is larger than the sum of its proper divisors (84316963285354).

137263251057206 is a wasteful number, since it uses less digits than its factorization.

137263251057206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66182859799.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 137263251057206 in words is "one hundred thirty-seven trillion, two hundred sixty-three billion, two hundred fifty-one million, fifty-seven thousand, two hundred six".