427235136 has 28 divisors (see below), whose sum is σ = 1130393472. Its totient is φ = 142411648.

The previous prime is 427235131. The next prime is 427235161. The reversal of 427235136 is 631532724.

It is a super-2 number, since 2×427235136² = 365059722865876992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427235097 and 427235106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427235131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112400 + ... + 1112783.

Almost surely, 2^427235136 is an apocalyptic number.

It is an amenable number.

427235136 is an abundant number, since it is smaller than the sum of its proper divisors (703158336).

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

427235136 is a wasteful number, since it uses less digits than its factorization.

427235136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225198 (or 2225188 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 427235136 is about 20669.6670510195. The cubic root of 427235136 is about 753.1630185545.

The spelling of 427235136 in words is "four hundred twenty-seven million, two hundred thirty-five thousand, one hundred thirty-six".