135371823 has 16 divisors (see below), whose sum is σ = 187318272. Its totient is φ = 86868000.

The previous prime is 135371807. The next prime is 135371843. The reversal of 135371823 is 328173531.

It is not a de Polignac number, because 135371823 - 2⁴ = 135371807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135371843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13953 + ... + 21573.

It is an arithmetic number, because the mean of its divisors is an integer number (11707392).

Almost surely, 2^135371823 is an apocalyptic number.

135371823 is a deficient number, since it is larger than the sum of its proper divisors (51946449).

135371823 is a wasteful number, since it uses less digits than its factorization.

135371823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846.

The product of its digits is 15120, while the sum is 33.

The square root of 135371823 is about 11634.9397505960. The cubic root of 135371823 is about 513.4633214505.

The spelling of 135371823 in words is "one hundred thirty-five million, three hundred seventy-one thousand, eight hundred twenty-three".