135149045 has 4 divisors (see below), whose sum is σ = 162178860. Its totient is φ = 108119232.

The previous prime is 135149041. The next prime is 135149051. The reversal of 135149045 is 540941531.

135149045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87179569 + 47969476 = 9337^2 + 6926^2 .

It is a cyclic number.

It is not a de Polignac number, because 135149045 - 2² = 135149041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135149041) 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, 13514900 + ... + 13514909.

It is an arithmetic number, because the mean of its divisors is an integer number (40544715).

Almost surely, 2^135149045 is an apocalyptic number.

It is an amenable number.

135149045 is a deficient number, since it is larger than the sum of its proper divisors (27029815).

135149045 is an equidigital number, since it uses as much as digits as its factorization.

135149045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27029814.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 135149045 is about 11625.3621448968. The cubic root of 135149045 is about 513.1815022472.

The spelling of 135149045 in words is "one hundred thirty-five million, one hundred forty-nine thousand, forty-five".