1334142140 has 24 divisors (see below), whose sum is σ = 2923512480. Its totient is φ = 510454208.

The previous prime is 1334142127. The next prime is 1334142149. The reversal of 1334142140 is 412414331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334142149) 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, 1449695 + ... + 1450614.

It is an arithmetic number, because the mean of its divisors is an integer number (121813020).

Almost surely, 2^1334142140 is an apocalyptic number.

1334142140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1334142140 is an abundant number, since it is smaller than the sum of its proper divisors (1589370340).

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

1334142140 is a wasteful number, since it uses less digits than its factorization.

1334142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900341 (or 2900339 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1334142140 is about 36525.9105293763. The cubic root of 1334142140 is about 1100.8649230440.

Adding to 1334142140 its reverse (412414331), we get a palindrome (1746556471).

The spelling of 1334142140 in words is "one billion, three hundred thirty-four million, one hundred forty-two thousand, one hundred forty".