135869410 has 8 divisors (see below), whose sum is σ = 244564956. Its totient is φ = 54347760.

The previous prime is 135869407. The next prime is 135869411. The reversal of 135869410 is 14968531.

It can be written as a sum of positive squares in 2 ways, for example, as 131033809 + 4835601 = 11447^2 + 2199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×135869410³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135869410.

It is not an unprimeable number, because it can be changed into a prime (135869411) 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, 6793461 + ... + 6793480.

Almost surely, 2^135869410 is an apocalyptic number.

135869410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135869410 is a deficient number, since it is larger than the sum of its proper divisors (108695546).

135869410 is a wasteful number, since it uses less digits than its factorization.

135869410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13586948.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 135869410 is about 11656.3034449177. The cubic root of 135869410 is about 514.0916655847.

The spelling of 135869410 in words is "one hundred thirty-five million, eight hundred sixty-nine thousand, four hundred ten".