1421461140 has 48 divisors (see below), whose sum is σ = 4341919680. Its totient is φ = 344596480.

The previous prime is 1421461127. The next prime is 1421461147. The reversal of 1421461140 is 411641241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421461140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421461147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076205 + ... + 1077524.

It is an arithmetic number, because the mean of its divisors is an integer number (90456660).

Almost surely, 2^1421461140 is an apocalyptic number.

1421461140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421461140 is an abundant number, since it is smaller than the sum of its proper divisors (2920458540).

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

1421461140 is a wasteful number, since it uses less digits than its factorization.

1421461140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153752 (or 2153750 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1421461140 is about 37702.2696929508. The cubic root of 1421461140 is about 1124.3762507733.

The spelling of 1421461140 in words is "one billion, four hundred twenty-one million, four hundred sixty-one thousand, one hundred forty".