135474073 has 12 divisors (see below), whose sum is σ = 157882932. Its totient is φ = 115906560.

The previous prime is 135474023. The next prime is 135474113. The reversal of 135474073 is 370474531.

It can be written as a sum of positive squares in 2 ways, for example, as 46963609 + 88510464 = 6853^2 + 9408^2 .

It is not a de Polignac number, because 135474073 - 2²¹ = 133376921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135474023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27993 + ... + 32473.

It is an arithmetic number, because the mean of its divisors is an integer number (13156911).

Almost surely, 2^135474073 is an apocalyptic number.

It is an amenable number.

135474073 is a deficient number, since it is larger than the sum of its proper divisors (22408859).

135474073 is an equidigital number, since it uses as much as digits as its factorization.

135474073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 5105 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 135474073 is about 11639.3330135365. Note that the first 3 decimals coincide. The cubic root of 135474073 is about 513.5925664941.

The spelling of 135474073 in words is "one hundred thirty-five million, four hundred seventy-four thousand, seventy-three".