137744653 has 2 divisors, whose sum is σ = 137744654. Its totient is φ = 137744652.

The previous prime is 137744597. The next prime is 137744671. The reversal of 137744653 is 356447731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 29626249 = 10398^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 137744653 - 2²⁵ = 104190221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137744683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68872326 + 68872327.

It is an arithmetic number, because the mean of its divisors is an integer number (68872327).

Almost surely, 2^137744653 is an apocalyptic number.

It is an amenable number.

137744653 is a deficient number, since it is larger than the sum of its proper divisors (1).

137744653 is an equidigital number, since it uses as much as digits as its factorization.

137744653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 137744653 is about 11736.4668022365. The cubic root of 137744653 is about 516.4459980770.

The spelling of 137744653 in words is "one hundred thirty-seven million, seven hundred forty-four thousand, six hundred fifty-three".