135674887 has 2 divisors, whose sum is σ = 135674888. Its totient is φ = 135674886.

The previous prime is 135674873. The next prime is 135674897. The reversal of 135674887 is 788476531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135674887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135674887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135674827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67837443 + 67837444.

It is an arithmetic number, because the mean of its divisors is an integer number (67837444).

Almost surely, 2^135674887 is an apocalyptic number.

135674887 is a deficient number, since it is larger than the sum of its proper divisors (1).

135674887 is an equidigital number, since it uses as much as digits as its factorization.

135674887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 135674887 is about 11647.9563443550. The cubic root of 135674887 is about 513.8462082853.

The spelling of 135674887 in words is "one hundred thirty-five million, six hundred seventy-four thousand, eight hundred eighty-seven".