137455933 has 2 divisors, whose sum is σ = 137455934. Its totient is φ = 137455932.

The previous prime is 137455921. The next prime is 137455943. The reversal of 137455933 is 339554731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117223929 + 20232004 = 10827^2 + 4498^2 .

It is a cyclic number.

It is not a de Polignac number, because 137455933 - 2²¹ = 135358781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137455943) 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, 68727966 + 68727967.

It is an arithmetic number, because the mean of its divisors is an integer number (68727967).

Almost surely, 2^137455933 is an apocalyptic number.

It is an amenable number.

137455933 is a deficient number, since it is larger than the sum of its proper divisors (1).

137455933 is an equidigital number, since it uses as much as digits as its factorization.

137455933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 40.

The square root of 137455933 is about 11724.1602257902. The cubic root of 137455933 is about 516.0849130636.

The spelling of 137455933 in words is "one hundred thirty-seven million, four hundred fifty-five thousand, nine hundred thirty-three".