135073687 has 24 divisors (see below), whose sum is σ = 171173376. Its totient is φ = 104193408.

The previous prime is 135073661. The next prime is 135073693. The reversal of 135073687 is 786370531.

It is not a de Polignac number, because 135073687 - 2¹¹ = 135071639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135073607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45078 + ... + 47980.

It is an arithmetic number, because the mean of its divisors is an integer number (7132224).

Almost surely, 2^135073687 is an apocalyptic number.

135073687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135073687 is a deficient number, since it is larger than the sum of its proper divisors (36099689).

135073687 is a wasteful number, since it uses less digits than its factorization.

135073687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 135073687 is about 11622.1205896342. The cubic root of 135073687 is about 513.0861025802.

The spelling of 135073687 in words is "one hundred thirty-five million, seventy-three thousand, six hundred eighty-seven".