136703293 has 2 divisors, whose sum is σ = 136703294. Its totient is φ = 136703292.

The previous prime is 136703269. The next prime is 136703299. The reversal of 136703293 is 392307631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68508729 + 68194564 = 8277^2 + 8258^2 .

It is an emirp because it is prime and its reverse (392307631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136703293 - 2⁵ = 136703261 is a prime.

It is equal to p_7736407 and since 136703293 and 7736407 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136703299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68351646 + 68351647.

It is an arithmetic number, because the mean of its divisors is an integer number (68351647).

Almost surely, 2^136703293 is an apocalyptic number.

It is an amenable number.

136703293 is a deficient number, since it is larger than the sum of its proper divisors (1).

136703293 is an equidigital number, since it uses as much as digits as its factorization.

136703293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 136703293 is about 11692.0183458631. The cubic root of 136703293 is about 515.1412475861.

The spelling of 136703293 in words is "one hundred thirty-six million, seven hundred three thousand, two hundred ninety-three".