135087371 has 4 divisors (see below), whose sum is σ = 135312744. Its totient is φ = 134862000.

The previous prime is 135087361. The next prime is 135087373. The reversal of 135087371 is 173780531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135087371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135087373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111785 + ... + 112986.

It is an arithmetic number, because the mean of its divisors is an integer number (33828186).

Almost surely, 2^135087371 is an apocalyptic number.

135087371 is a deficient number, since it is larger than the sum of its proper divisors (225373).

135087371 is an equidigital number, since it uses as much as digits as its factorization.

135087371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225372.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 135087371 is about 11622.7092796817. The cubic root of 135087371 is about 513.1034285136.

The spelling of 135087371 in words is "one hundred thirty-five million, eighty-seven thousand, three hundred seventy-one".