137680831 has 2 divisors, whose sum is σ = 137680832. Its totient is φ = 137680830.

The previous prime is 137680801. The next prime is 137680853. The reversal of 137680831 is 138086731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137680831 - 2¹⁹ = 137156543 is a prime.

It is a super-2 number, since 2×137680831² = 37912022449701122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137680801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68840415 + 68840416.

It is an arithmetic number, because the mean of its divisors is an integer number (68840416).

Almost surely, 2^137680831 is an apocalyptic number.

137680831 is a deficient number, since it is larger than the sum of its proper divisors (1).

137680831 is an equidigital number, since it uses as much as digits as its factorization.

137680831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 137680831 is about 11733.7475258333. The cubic root of 137680831 is about 516.3662231512.

The spelling of 137680831 in words is "one hundred thirty-seven million, six hundred eighty thousand, eight hundred thirty-one".