135867375 has 128 divisors (see below), whose sum is σ = 294727680. Its totient is φ = 61236000.

The previous prime is 135867373. The next prime is 135867377. The reversal of 135867375 is 573768531.

It is an interprime number because it is at equal distance from previous prime (135867373) and next prime (135867377).

It is not a de Polignac number, because 135867375 - 2¹ = 135867373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135867375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135867373) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1913590 + ... + 1913660.

It is an arithmetic number, because the mean of its divisors is an integer number (2302560).

Almost surely, 2^135867375 is an apocalyptic number.

135867375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135867375 is an abundant number, since it is smaller than the sum of its proper divisors (158860305).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135867375 is an frugal number, since it uses more digits than its factorization.

135867375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 86 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 135867375 is about 11656.2161527659. The cubic root of 135867375 is about 514.0890989492.

The spelling of 135867375 in words is "one hundred thirty-five million, eight hundred sixty-seven thousand, three hundred seventy-five".