136837943299 has 2 divisors, whose sum is σ = 136837943300. Its totient is φ = 136837943298.

The previous prime is 136837943287. The next prime is 136837943327. The reversal of 136837943299 is 992349738631.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (992349738631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136837943299 - 2¹³ = 136837935107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136837943299.

It is not a weakly prime, because it can be changed into another prime (136837943279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68418971649 + 68418971650.

It is an arithmetic number, because the mean of its divisors is an integer number (68418971650).

Almost surely, 2^136837943299 is an apocalyptic number.

136837943299 is a deficient number, since it is larger than the sum of its proper divisors (1).

136837943299 is an equidigital number, since it uses as much as digits as its factorization.

136837943299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52907904, while the sum is 64.

The spelling of 136837943299 in words is "one hundred thirty-six billion, eight hundred thirty-seven million, nine hundred forty-three thousand, two hundred ninety-nine".