426539142 has 16 divisors (see below), whose sum is σ = 947864880. Its totient is φ = 142179696.

The previous prime is 426539131. The next prime is 426539149. The reversal of 426539142 is 241935624.

It is a happy number.

426539142 is a `hidden beast` number, since 4 + 265 + 391 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 426539097 and 426539106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426539149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949383 + ... + 3949490.

It is an arithmetic number, because the mean of its divisors is an integer number (59241555).

Almost surely, 2^426539142 is an apocalyptic number.

426539142 is an abundant number, since it is smaller than the sum of its proper divisors (521325738).

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

426539142 is a wasteful number, since it uses less digits than its factorization.

426539142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898884 (or 7898878 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 426539142 is about 20652.8240683932. The cubic root of 426539142 is about 752.7538123149.

The spelling of 426539142 in words is "four hundred twenty-six million, five hundred thirty-nine thousand, one hundred forty-two".