137481611 has 2 divisors, whose sum is σ = 137481612. Its totient is φ = 137481610.

The previous prime is 137481599. The next prime is 137481613. The reversal of 137481611 is 116184731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137481611 - 2²² = 133287307 is a prime.

It is a Sophie Germain prime.

Together with 137481613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137481613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68740805 + 68740806.

It is an arithmetic number, because the mean of its divisors is an integer number (68740806).

Almost surely, 2^137481611 is an apocalyptic number.

137481611 is a deficient number, since it is larger than the sum of its proper divisors (1).

137481611 is an equidigital number, since it uses as much as digits as its factorization.

137481611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 137481611 is about 11725.2552637459. The cubic root of 137481611 is about 516.1170474914.

The spelling of 137481611 in words is "one hundred thirty-seven million, four hundred eighty-one thousand, six hundred eleven".