135273057 has 8 divisors (see below), whose sum is σ = 186182400. Its totient is φ = 87272880.

The previous prime is 135273031. The next prime is 135273071. The reversal of 135273057 is 750372531.

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

It is not a de Polignac number, because 135273057 - 2¹⁶ = 135207521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135273007) 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, 727182 + ... + 727367.

It is an arithmetic number, because the mean of its divisors is an integer number (23272800).

Almost surely, 2^135273057 is an apocalyptic number.

It is an amenable number.

135273057 is a deficient number, since it is larger than the sum of its proper divisors (50909343).

135273057 is a wasteful number, since it uses less digits than its factorization.

135273057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454583.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 135273057 is about 11630.6946052246. The cubic root of 135273057 is about 513.3384184107.

The spelling of 135273057 in words is "one hundred thirty-five million, two hundred seventy-three thousand, fifty-seven".