342139590 has 48 divisors (see below), whose sum is σ = 957994128. Its totient is φ = 84218688.

The previous prime is 342139573. The next prime is 342139613. The reversal of 342139590 is 95931243.

It is a happy number.

342139590 is a `hidden beast` number, since 34 + 2 + 1 + 39 + 590 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145044 + ... + 147383.

It is an arithmetic number, because the mean of its divisors is an integer number (19958211).

Almost surely, 2^342139590 is an apocalyptic number.

342139590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342139590 is an abundant number, since it is smaller than the sum of its proper divisors (615854538).

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

342139590 is a wasteful number, since it uses less digits than its factorization.

342139590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292453 (or 292450 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 342139590 is about 18497.0157052428. The cubic root of 342139590 is about 699.4141969756.

The spelling of 342139590 in words is "three hundred forty-two million, one hundred thirty-nine thousand, five hundred ninety".