137841791 has 2 divisors, whose sum is σ = 137841792. Its totient is φ = 137841790.

The previous prime is 137841773. The next prime is 137841799. The reversal of 137841791 is 197148731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137841791 - 2¹⁰ = 137840767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137841799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68920895 + 68920896.

It is an arithmetic number, because the mean of its divisors is an integer number (68920896).

Almost surely, 2^137841791 is an apocalyptic number.

137841791 is a deficient number, since it is larger than the sum of its proper divisors (1).

137841791 is an equidigital number, since it uses as much as digits as its factorization.

137841791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 137841791 is about 11740.6043711557. The cubic root of 137841791 is about 516.5673693785.

The spelling of 137841791 in words is "one hundred thirty-seven million, eight hundred forty-one thousand, seven hundred ninety-one".