137348786387 has 2 divisors, whose sum is σ = 137348786388. Its totient is φ = 137348786386.

The previous prime is 137348786371. The next prime is 137348786413. The reversal of 137348786387 is 783687843731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137348786387 - 2⁴ = 137348786371 is a prime.

It is not a weakly prime, because it can be changed into another prime (137348786327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68674393193 + 68674393194.

It is an arithmetic number, because the mean of its divisors is an integer number (68674393194).

Almost surely, 2^137348786387 is an apocalyptic number.

137348786387 is a deficient number, since it is larger than the sum of its proper divisors (1).

137348786387 is an equidigital number, since it uses as much as digits as its factorization.

137348786387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113799168, while the sum is 65.

The spelling of 137348786387 in words is "one hundred thirty-seven billion, three hundred forty-eight million, seven hundred eighty-six thousand, three hundred eighty-seven".