135406534 has 16 divisors (see below), whose sum is σ = 207896400. Its totient is φ = 66122784.

The previous prime is 135406517. The next prime is 135406541. The reversal of 135406534 is 435604531.

It is a junction number, because it is equal to n+sod(n) for n = 135406496 and 135406505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14872 + ... + 22180.

It is an arithmetic number, because the mean of its divisors is an integer number (12993525).

Almost surely, 2^135406534 is an apocalyptic number.

135406534 is a deficient number, since it is larger than the sum of its proper divisors (72489866).

135406534 is a wasteful number, since it uses less digits than its factorization.

135406534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 135406534 is about 11636.4313257974. The cubic root of 135406534 is about 513.5072038031.

The spelling of 135406534 in words is "one hundred thirty-five million, four hundred six thousand, five hundred thirty-four".