137149933 has 2 divisors, whose sum is σ = 137149934. Its totient is φ = 137149932.

The previous prime is 137149891. The next prime is 137149939. The reversal of 137149933 is 339941731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 59938564 = 8787^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 137149933 - 2²¹ = 135052781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137149939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68574966 + 68574967.

It is an arithmetic number, because the mean of its divisors is an integer number (68574967).

Almost surely, 2^137149933 is an apocalyptic number.

It is an amenable number.

137149933 is a deficient number, since it is larger than the sum of its proper divisors (1).

137149933 is an equidigital number, since it uses as much as digits as its factorization.

137149933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 137149933 is about 11711.1029796514. The cubic root of 137149933 is about 515.7016646240.

The spelling of 137149933 in words is "one hundred thirty-seven million, one hundred forty-nine thousand, nine hundred thirty-three".