137611477 has 2 divisors, whose sum is σ = 137611478. Its totient is φ = 137611476.

The previous prime is 137611469. The next prime is 137611493. The reversal of 137611477 is 774116731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134768881 + 2842596 = 11609^2 + 1686^2 .

It is an emirp because it is prime and its reverse (774116731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137611477 - 2³ = 137611469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137611417) 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, 68805738 + 68805739.

It is an arithmetic number, because the mean of its divisors is an integer number (68805739).

Almost surely, 2^137611477 is an apocalyptic number.

It is an amenable number.

137611477 is a deficient number, since it is larger than the sum of its proper divisors (1).

137611477 is an equidigital number, since it uses as much as digits as its factorization.

137611477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 137611477 is about 11730.7918317563. The cubic root of 137611477 is about 516.2795054925.

The spelling of 137611477 in words is "one hundred thirty-seven million, six hundred eleven thousand, four hundred seventy-seven".