137050631 has 2 divisors, whose sum is σ = 137050632. Its totient is φ = 137050630.

The previous prime is 137050609. The next prime is 137050643. The reversal of 137050631 is 136050731.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (136050731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137050631 - 2⁶ = 137050567 is a prime.

It is a super-3 number, since 3×137050631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137050631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137050681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68525315 + 68525316.

It is an arithmetic number, because the mean of its divisors is an integer number (68525316).

Almost surely, 2^137050631 is an apocalyptic number.

137050631 is a deficient number, since it is larger than the sum of its proper divisors (1).

137050631 is an equidigital number, since it uses as much as digits as its factorization.

137050631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 137050631 is about 11706.8625600543. The cubic root of 137050631 is about 515.5771717424.

The spelling of 137050631 in words is "one hundred thirty-seven million, fifty thousand, six hundred thirty-one".