137423653 has 2 divisors, whose sum is σ = 137423654. Its totient is φ = 137423652.

The previous prime is 137423609. The next prime is 137423659. The reversal of 137423653 is 356324731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 954529 = 11682^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 137423653 - 2²⁵ = 103869221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137423659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68711826 + 68711827.

It is an arithmetic number, because the mean of its divisors is an integer number (68711827).

Almost surely, 2^137423653 is an apocalyptic number.

It is an amenable number.

137423653 is a deficient number, since it is larger than the sum of its proper divisors (1).

137423653 is an equidigital number, since it uses as much as digits as its factorization.

137423653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

The square root of 137423653 is about 11722.7835005173. The cubic root of 137423653 is about 516.0445109631.

The spelling of 137423653 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, six hundred fifty-three".