137681051 has 2 divisors, whose sum is σ = 137681052. Its totient is φ = 137681050.

The previous prime is 137681039. The next prime is 137681053. The reversal of 137681051 is 150186731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137681051 - 2⁶ = 137680987 is a prime.

Together with 137681053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 137680999 and 137681017.

It is not a weakly prime, because it can be changed into another prime (137681053) 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, 68840525 + 68840526.

It is an arithmetic number, because the mean of its divisors is an integer number (68840526).

Almost surely, 2^137681051 is an apocalyptic number.

137681051 is a deficient number, since it is larger than the sum of its proper divisors (1).

137681051 is an equidigital number, since it uses as much as digits as its factorization.

137681051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 137681051 is about 11733.7569004987. The cubic root of 137681051 is about 516.3664981847.

The spelling of 137681051 in words is "one hundred thirty-seven million, six hundred eighty-one thousand, fifty-one".