137295491 has 2 divisors, whose sum is σ = 137295492. Its totient is φ = 137295490.

The previous prime is 137295479. The next prime is 137295547. The reversal of 137295491 is 194592731.

137295491 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 is a cyclic number.

It is not a de Polignac number, because 137295491 - 2¹⁰ = 137294467 is a prime.

It is equal to p_7767950 and since 137295491 and 7767950 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (137295421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68647745 + 68647746.

It is an arithmetic number, because the mean of its divisors is an integer number (68647746).

Almost surely, 2^137295491 is an apocalyptic number.

137295491 is a deficient number, since it is larger than the sum of its proper divisors (1).

137295491 is an equidigital number, since it uses as much as digits as its factorization.

137295491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 137295491 is about 11717.3158615785. The cubic root of 137295491 is about 515.8840391525.

The spelling of 137295491 in words is "one hundred thirty-seven million, two hundred ninety-five thousand, four hundred ninety-one".