137442593 has 2 divisors, whose sum is σ = 137442594. Its totient is φ = 137442592.

The previous prime is 137442587. The next prime is 137442653. The reversal of 137442593 is 395244731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121506529 + 15936064 = 11023^2 + 3992^2 .

It is a cyclic number.

It is not a de Polignac number, because 137442593 - 2¹⁴ = 137426209 is a prime.

It is not a weakly prime, because it can be changed into another prime (137442533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68721296 + 68721297.

It is an arithmetic number, because the mean of its divisors is an integer number (68721297).

Almost surely, 2^137442593 is an apocalyptic number.

It is an amenable number.

137442593 is a deficient number, since it is larger than the sum of its proper divisors (1).

137442593 is an equidigital number, since it uses as much as digits as its factorization.

137442593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 137442593 is about 11723.5913013035. The cubic root of 137442593 is about 516.0682172995.

The spelling of 137442593 in words is "one hundred thirty-seven million, four hundred forty-two thousand, five hundred ninety-three".