137255803 has 2 divisors, whose sum is σ = 137255804. Its totient is φ = 137255802.

The previous prime is 137255759. The next prime is 137255813. The reversal of 137255803 is 308552731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137255803 - 2²⁵ = 103701371 is a prime.

It is not a weakly prime, because it can be changed into another prime (137255813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68627901 + 68627902.

It is an arithmetic number, because the mean of its divisors is an integer number (68627902).

Almost surely, 2^137255803 is an apocalyptic number.

137255803 is a deficient number, since it is larger than the sum of its proper divisors (1).

137255803 is an equidigital number, since it uses as much as digits as its factorization.

137255803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 137255803 is about 11715.6221772469. The cubic root of 137255803 is about 515.8343255050.

It can be divided in two parts, 1372 and 55803, that added together give a palindrome (57175).

The spelling of 137255803 in words is "one hundred thirty-seven million, two hundred fifty-five thousand, eight hundred three".