1400013140 has 24 divisors (see below), whose sum is σ = 2948514912. Its totient is φ = 558388640.

The previous prime is 1400013137. The next prime is 1400013149. The reversal of 1400013140 is 413100041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400013149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93926 + ... + 107805.

It is an arithmetic number, because the mean of its divisors is an integer number (122854788).

Almost surely, 2^1400013140 is an apocalyptic number.

1400013140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400013140 is an abundant number, since it is smaller than the sum of its proper divisors (1548501772).

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

1400013140 is a wasteful number, since it uses less digits than its factorization.

1400013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202087 (or 202085 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1400013140 is about 37416.7494579633. The cubic root of 1400013140 is about 1118.6924419687.

Adding to 1400013140 its reverse (413100041), we get a palindrome (1813113181).

The spelling of 1400013140 in words is "one billion, four hundred million, thirteen thousand, one hundred forty".