137575013879 has 2 divisors, whose sum is σ = 137575013880. Its totient is φ = 137575013878.

The previous prime is 137575013833. The next prime is 137575013959. The reversal of 137575013879 is 978310575731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137575013879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137575013179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68787506939 + 68787506940.

It is an arithmetic number, because the mean of its divisors is an integer number (68787506940).

Almost surely, 2^137575013879 is an apocalyptic number.

137575013879 is a deficient number, since it is larger than the sum of its proper divisors (1).

137575013879 is an equidigital number, since it uses as much as digits as its factorization.

137575013879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 137575013879 in words is "one hundred thirty-seven billion, five hundred seventy-five million, thirteen thousand, eight hundred seventy-nine".