1401053140 has 12 divisors (see below), whose sum is σ = 2942211636. Its totient is φ = 560421248.

The previous prime is 1401053083. The next prime is 1401053149. The reversal of 1401053140 is 413501041.

It can be written as a sum of positive squares in 2 ways, for example, as 1061977744 + 339075396 = 32588^2 + 18414^2 .

It is a super-2 number, since 2×1401053140² = 3925899802207719200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401053149) 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, 35026309 + ... + 35026348.

It is an arithmetic number, because the mean of its divisors is an integer number (245184303).

Almost surely, 2^1401053140 is an apocalyptic number.

1401053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401053140 is an abundant number, since it is smaller than the sum of its proper divisors (1541158496).

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

1401053140 is a wasteful number, since it uses less digits than its factorization.

1401053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70052666 (or 70052664 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1401053140 is about 37430.6443973384. The cubic root of 1401053140 is about 1118.9693803626.

Adding to 1401053140 its reverse (413501041), we get a palindrome (1814554181).

It can be divided in two parts, 14010531 and 40, that added together give a triangular number (14010571 = T₅₂₉₃).

The spelling of 1401053140 in words is "one billion, four hundred one million, fifty-three thousand, one hundred forty".