137513887789 has 2 divisors, whose sum is σ = 137513887790. Its totient is φ = 137513887788.

The previous prime is 137513887759. The next prime is 137513887843. The reversal of 137513887789 is 987788315731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133413406564 + 4100481225 = 365258^2 + 64035^2 .

It is a cyclic number.

It is not a de Polignac number, because 137513887789 - 2⁷ = 137513887661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137513887739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68756943894 + 68756943895.

It is an arithmetic number, because the mean of its divisors is an integer number (68756943895).

Almost surely, 2^137513887789 is an apocalyptic number.

It is an amenable number.

137513887789 is a deficient number, since it is larger than the sum of its proper divisors (1).

137513887789 is an equidigital number, since it uses as much as digits as its factorization.

137513887789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 67.

The spelling of 137513887789 in words is "one hundred thirty-seven billion, five hundred thirteen million, eight hundred eighty-seven thousand, seven hundred eighty-nine".