136943707 has 2 divisors, whose sum is σ = 136943708. Its totient is φ = 136943706.

The previous prime is 136943699. The next prime is 136943711. The reversal of 136943707 is 707349631.

It is a strong prime.

It is an emirp because it is prime and its reverse (707349631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136943707 - 2³ = 136943699 is a prime.

It is equal to p_7749229 and since 136943707 and 7749229 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136943707.

It is not a weakly prime, because it can be changed into another prime (136943207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68471853 + 68471854.

It is an arithmetic number, because the mean of its divisors is an integer number (68471854).

Almost surely, 2^136943707 is an apocalyptic number.

136943707 is a deficient number, since it is larger than the sum of its proper divisors (1).

136943707 is an equidigital number, since it uses as much as digits as its factorization.

136943707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 136943707 is about 11702.2949458643. The cubic root of 136943707 is about 515.4430560613.

The spelling of 136943707 in words is "one hundred thirty-six million, nine hundred forty-three thousand, seven hundred seven".