137241431 has 2 divisors, whose sum is σ = 137241432. Its totient is φ = 137241430.

The previous prime is 137241409. The next prime is 137241443. The reversal of 137241431 is 134142731.

It is a strong prime.

It is an emirp because it is prime and its reverse (134142731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137241431 - 2¹⁸ = 136979287 is a prime.

It is a super-2 number, since 2×137241431² = 37670420765855522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137241431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137241491) 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, 68620715 + 68620716.

It is an arithmetic number, because the mean of its divisors is an integer number (68620716).

Almost surely, 2^137241431 is an apocalyptic number.

137241431 is a deficient number, since it is larger than the sum of its proper divisors (1).

137241431 is an equidigital number, since it uses as much as digits as its factorization.

137241431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 137241431 is about 11715.0087921435. The cubic root of 137241431 is about 515.8163206082.

The spelling of 137241431 in words is "one hundred thirty-seven million, two hundred forty-one thousand, four hundred thirty-one".