134573687 has 2 divisors, whose sum is σ = 134573688. Its totient is φ = 134573686.

The previous prime is 134573639. The next prime is 134573701. The reversal of 134573687 is 786375431.

134573687 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 134573687 - 2⁶ = 134573623 is a prime.

It is a super-2 number, since 2×134573687² = 36220154465547938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134575687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67286843 + 67286844.

It is an arithmetic number, because the mean of its divisors is an integer number (67286844).

Almost surely, 2^134573687 is an apocalyptic number.

134573687 is a deficient number, since it is larger than the sum of its proper divisors (1).

134573687 is an equidigital number, since it uses as much as digits as its factorization.

134573687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 134573687 is about 11600.5899418952. The cubic root of 134573687 is about 512.4522257272.

The spelling of 134573687 in words is "one hundred thirty-four million, five hundred seventy-three thousand, six hundred eighty-seven".