137242711 has 2 divisors, whose sum is σ = 137242712. Its totient is φ = 137242710.

The previous prime is 137242691. The next prime is 137242723. The reversal of 137242711 is 117242731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137242711 - 2¹⁹ = 136718423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137242711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137248711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68621355 + 68621356.

It is an arithmetic number, because the mean of its divisors is an integer number (68621356).

Almost surely, 2^137242711 is an apocalyptic number.

137242711 is a deficient number, since it is larger than the sum of its proper divisors (1).

137242711 is an equidigital number, since it uses as much as digits as its factorization.

137242711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 137242711 is about 11715.0634227903. The cubic root of 137242711 is about 515.8179242125.

The spelling of 137242711 in words is "one hundred thirty-seven million, two hundred forty-two thousand, seven hundred eleven".