137298149699 has 4 divisors (see below), whose sum is σ = 145374511464. Its totient is φ = 129221787936.

The previous prime is 137298149693. The next prime is 137298149713. The reversal of 137298149699 is 996941892731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137298149699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137298149693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4038180857 + ... + 4038180890.

It is an arithmetic number, because the mean of its divisors is an integer number (36343627866).

Almost surely, 2^137298149699 is an apocalyptic number.

137298149699 is a deficient number, since it is larger than the sum of its proper divisors (8076361765).

137298149699 is an equidigital number, since it uses as much as digits as its factorization.

137298149699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076361764.

The product of its digits is 52907904, while the sum is 68.

The spelling of 137298149699 in words is "one hundred thirty-seven billion, two hundred ninety-eight million, one hundred forty-nine thousand, six hundred ninety-nine".