137650651 has 2 divisors, whose sum is σ = 137650652. Its totient is φ = 137650650.

The previous prime is 137650637. The next prime is 137650657. The reversal of 137650651 is 156056731.

It is a strong prime.

It is an emirp because it is prime and its reverse (156056731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137650651 - 2⁷ = 137650523 is a prime.

It is a super-3 number, since 3×137650651³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (137650657) 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, 68825325 + 68825326.

It is an arithmetic number, because the mean of its divisors is an integer number (68825326).

Almost surely, 2^137650651 is an apocalyptic number.

137650651 is a deficient number, since it is larger than the sum of its proper divisors (1).

137650651 is an equidigital number, since it uses as much as digits as its factorization.

137650651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 137650651 is about 11732.4614212023. The cubic root of 137650651 is about 516.3284907830.

The spelling of 137650651 in words is "one hundred thirty-seven million, six hundred fifty thousand, six hundred fifty-one".