137141621 has 2 divisors, whose sum is σ = 137141622. Its totient is φ = 137141620.

The previous prime is 137141593. The next prime is 137141651. The reversal of 137141621 is 126141731.

137141621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 54967396 = 9065^2 + 7414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137141621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137141651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68570810 + 68570811.

It is an arithmetic number, because the mean of its divisors is an integer number (68570811).

Almost surely, 2^137141621 is an apocalyptic number.

It is an amenable number.

137141621 is a deficient number, since it is larger than the sum of its proper divisors (1).

137141621 is an equidigital number, since it uses as much as digits as its factorization.

137141621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 137141621 is about 11710.7480973676. The cubic root of 137141621 is about 515.6912463449.

The spelling of 137141621 in words is "one hundred thirty-seven million, one hundred forty-one thousand, six hundred twenty-one".