1240313142 has 8 divisors (see below), whose sum is σ = 2480626296. Its totient is φ = 413437712.

The previous prime is 1240313119. The next prime is 1240313147. The reversal of 1240313142 is 2413130421.

It is a sphenic number, since it is the product of 3 distinct primes.

1240313142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240313147) 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, 103359423 + ... + 103359434.

It is an arithmetic number, because the mean of its divisors is an integer number (310078287).

Almost surely, 2^1240313142 is an apocalyptic number.

1240313142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240313142 is a wasteful number, since it uses less digits than its factorization.

1240313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206718862.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1240313142 is about 35218.0797602595. The cubic root of 1240313142 is about 1074.4274988771.

Adding to 1240313142 its reverse (2413130421), we get a palindrome (3653443563).

The spelling of 1240313142 in words is "one billion, two hundred forty million, three hundred thirteen thousand, one hundred forty-two".