136943299 has 2 divisors, whose sum is σ = 136943300. Its totient is φ = 136943298.

The previous prime is 136943293. The next prime is 136943329. The reversal of 136943299 is 992349631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136943299 - 2¹³ = 136935107 is a prime.

It is not a weakly prime, because it can be changed into another prime (136943293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68471649 + 68471650.

It is an arithmetic number, because the mean of its divisors is an integer number (68471650).

Almost surely, 2^136943299 is an apocalyptic number.

136943299 is a deficient number, since it is larger than the sum of its proper divisors (1).

136943299 is an equidigital number, since it uses as much as digits as its factorization.

136943299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 46.

The square root of 136943299 is about 11702.2775133732. The cubic root of 136943299 is about 515.4425441698.

The spelling of 136943299 in words is "one hundred thirty-six million, nine hundred forty-three thousand, two hundred ninety-nine".