135569945290 has 32 divisors (see below), whose sum is σ = 262844580096. Its totient is φ = 50047556160.

The previous prime is 135569945261. The next prime is 135569945293. The reversal of 135569945290 is 92549965531.

It is not an unprimeable number, because it can be changed into a prime (135569945293) 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, 651129 + ... + 833731.

It is an arithmetic number, because the mean of its divisors is an integer number (8213893128).

Almost surely, 2^135569945290 is an apocalyptic number.

135569945290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135569945290 is a deficient number, since it is larger than the sum of its proper divisors (127274634806).

135569945290 is a wasteful number, since it uses less digits than its factorization.

135569945290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188334.

The product of its (nonzero) digits is 13122000, while the sum is 58.

The spelling of 135569945290 in words is "one hundred thirty-five billion, five hundred sixty-nine million, nine hundred forty-five thousand, two hundred ninety".