135420534 has 24 divisors (see below), whose sum is σ = 297793080. Its totient is φ = 44466048.

The previous prime is 135420529. The next prime is 135420547. The reversal of 135420534 is 435024531.

It is a junction number, because it is equal to n+sod(n) for n = 135420498 and 135420507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54939 + ... + 57350.

It is an arithmetic number, because the mean of its divisors is an integer number (12408045).

Almost surely, 2^135420534 is an apocalyptic number.

135420534 is an abundant number, since it is smaller than the sum of its proper divisors (162372546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135420534 is a wasteful number, since it uses less digits than its factorization.

135420534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112364 (or 112361 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 135420534 is about 11637.0328692498. The cubic root of 135420534 is about 513.5249007657.

The spelling of 135420534 in words is "one hundred thirty-five million, four hundred twenty thousand, five hundred thirty-four".