137020903 has 2 divisors, whose sum is σ = 137020904. Its totient is φ = 137020902.

The previous prime is 137020843. The next prime is 137020907. The reversal of 137020903 is 309020731.

137020903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137020903 - 2²¹ = 134923751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137020907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68510451 + 68510452.

It is an arithmetic number, because the mean of its divisors is an integer number (68510452).

Almost surely, 2^137020903 is an apocalyptic number.

137020903 is a deficient number, since it is larger than the sum of its proper divisors (1).

137020903 is an equidigital number, since it uses as much as digits as its factorization.

137020903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 137020903 is about 11705.5928085680. The cubic root of 137020903 is about 515.5398906627.

The spelling of 137020903 in words is "one hundred thirty-seven million, twenty thousand, nine hundred three".