137087685650233 has 2 divisors, whose sum is σ = 137087685650234. Its totient is φ = 137087685650232.

The previous prime is 137087685650183. The next prime is 137087685650257. The reversal of 137087685650233 is 332056586780731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124548211453689 + 12539474196544 = 11160117^2 + 3541112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137087685650233 is a prime.

It is not a weakly prime, because it can be changed into another prime (137087685050233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68543842825116 + 68543842825117.

It is an arithmetic number, because the mean of its divisors is an integer number (68543842825117).

Almost surely, 2^{137087685650233} is an apocalyptic number.

It is an amenable number.

137087685650233 is a deficient number, since it is larger than the sum of its proper divisors (1).

137087685650233 is an equidigital number, since it uses as much as digits as its factorization.

137087685650233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 64.

The spelling of 137087685650233 in words is "one hundred thirty-seven trillion, eighty-seven billion, six hundred eighty-five million, six hundred fifty thousand, two hundred thirty-three".