137055623 has 2 divisors, whose sum is σ = 137055624. Its totient is φ = 137055622.

The previous prime is 137055587. The next prime is 137055637. The reversal of 137055623 is 326550731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137055623 - 2⁶ = 137055559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137055623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137055673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68527811 + 68527812.

It is an arithmetic number, because the mean of its divisors is an integer number (68527812).

Almost surely, 2^137055623 is an apocalyptic number.

137055623 is a deficient number, since it is larger than the sum of its proper divisors (1).

137055623 is an equidigital number, since it uses as much as digits as its factorization.

137055623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 137055623 is about 11707.0757663902. The cubic root of 137055623 is about 515.5834315458.

The spelling of 137055623 in words is "one hundred thirty-seven million, fifty-five thousand, six hundred twenty-three".