136457933 has 2 divisors, whose sum is σ = 136457934. Its totient is φ = 136457932.

The previous prime is 136457927. The next prime is 136457941. The reversal of 136457933 is 339754631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86359849 + 50098084 = 9293^2 + 7078^2 .

It is an emirp because it is prime and its reverse (339754631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136457933 - 2⁶ = 136457869 is a prime.

It is a super-3 number, since 3×136457933³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136457983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68228966 + 68228967.

It is an arithmetic number, because the mean of its divisors is an integer number (68228967).

Almost surely, 2^136457933 is an apocalyptic number.

It is an amenable number.

136457933 is a deficient number, since it is larger than the sum of its proper divisors (1).

136457933 is an equidigital number, since it uses as much as digits as its factorization.

136457933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 41.

The square root of 136457933 is about 11681.5210054171. The cubic root of 136457933 is about 514.8328649844.

The spelling of 136457933 in words is "one hundred thirty-six million, four hundred fifty-seven thousand, nine hundred thirty-three".