137550487 has 2 divisors, whose sum is σ = 137550488. Its totient is φ = 137550486.

The previous prime is 137550473. The next prime is 137550541. The reversal of 137550487 is 784055731.

137550487 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 137550487 - 2¹⁵ = 137517719 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 (137550437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68775243 + 68775244.

It is an arithmetic number, because the mean of its divisors is an integer number (68775244).

Almost surely, 2^137550487 is an apocalyptic number.

137550487 is a deficient number, since it is larger than the sum of its proper divisors (1).

137550487 is an equidigital number, since it uses as much as digits as its factorization.

137550487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 137550487 is about 11728.1919748954. The cubic root of 137550487 is about 516.2032217873.

The spelling of 137550487 in words is "one hundred thirty-seven million, five hundred fifty thousand, four hundred eighty-seven".