135905707 has 8 divisors (see below), whose sum is σ = 155941632. Its totient is φ = 116025000.

The previous prime is 135905663. The next prime is 135905741. The reversal of 135905707 is 707509531.

It is a happy number.

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

It is not a de Polignac number, because 135905707 - 2⁷ = 135905579 is a prime.

It is a super-2 number, since 2×135905707² = 36940722390339698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135905747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36919 + ... + 40432.

It is an arithmetic number, because the mean of its divisors is an integer number (19492704).

Almost surely, 2^135905707 is an apocalyptic number.

135905707 is a deficient number, since it is larger than the sum of its proper divisors (20035925).

135905707 is an equidigital number, since it uses as much as digits as its factorization.

135905707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77609.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 135905707 is about 11657.8603096795. The cubic root of 135905707 is about 514.1374407247.

The spelling of 135905707 in words is "one hundred thirty-five million, nine hundred five thousand, seven hundred seven".