1140420342 has 16 divisors (see below), whose sum is σ = 2282622912. Its totient is φ = 379843080.

The previous prime is 1140420313. The next prime is 1140420383. The reversal of 1140420342 is 2430240411.

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, 65868 + ... + 81359.

It is an arithmetic number, because the mean of its divisors is an integer number (142663932).

Almost surely, 2^1140420342 is an apocalyptic number.

1140420342 is an abundant number, since it is smaller than the sum of its proper divisors (1142202570).

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

1140420342 is a wasteful number, since it uses less digits than its factorization.

1140420342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148523.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1140420342 is about 33770.1101863764. The cubic root of 1140420342 is about 1044.7723051145.

Adding to 1140420342 its reverse (2430240411), we get a palindrome (3570660753).

The spelling of 1140420342 in words is "one billion, one hundred forty million, four hundred twenty thousand, three hundred forty-two".