137255707 has 2 divisors, whose sum is σ = 137255708. Its totient is φ = 137255706.

The previous prime is 137255687. The next prime is 137255737. The reversal of 137255707 is 707552731.

137255707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137255707 - 2²³ = 128867099 is a prime.

It is a super-3 number, since 3×137255707³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (137255737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68627853 + 68627854.

It is an arithmetic number, because the mean of its divisors is an integer number (68627854).

Almost surely, 2^137255707 is an apocalyptic number.

137255707 is a deficient number, since it is larger than the sum of its proper divisors (1).

137255707 is an equidigital number, since it uses as much as digits as its factorization.

137255707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 137255707 is about 11715.6180801527. The cubic root of 137255707 is about 515.8342052427.

The spelling of 137255707 in words is "one hundred thirty-seven million, two hundred fifty-five thousand, seven hundred seven".