135004971 has 16 divisors (see below), whose sum is σ = 186004224. Its totient is φ = 87034464.

The previous prime is 135004967. The next prime is 135004979. The reversal of 135004971 is 179400531.

It is not a de Polignac number, because 135004971 - 2² = 135004967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135004979) 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, 14896 + ... + 22178.

It is an arithmetic number, because the mean of its divisors is an integer number (11625264).

Almost surely, 2^135004971 is an apocalyptic number.

135004971 is a deficient number, since it is larger than the sum of its proper divisors (50999253).

135004971 is a wasteful number, since it uses less digits than its factorization.

135004971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 135004971 is about 11619.1639544332. The cubic root of 135004971 is about 512.9990804372. Note that the first 3 decimals are identical.

The spelling of 135004971 in words is "one hundred thirty-five million, four thousand, nine hundred seventy-one".