1401194140 has 48 divisors (see below), whose sum is σ = 3100759200. Its totient is φ = 530399232.

The previous prime is 1401194101. The next prime is 1401194149. The reversal of 1401194140 is 414911041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401194149) 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 15 ways as a sum of consecutive naturals, for example, 534112 + ... + 536728.

It is an arithmetic number, because the mean of its divisors is an integer number (64599150).

Almost surely, 2^1401194140 is an apocalyptic number.

1401194140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401194140 is an abundant number, since it is smaller than the sum of its proper divisors (1699565060).

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

1401194140 is a wasteful number, since it uses less digits than its factorization.

1401194140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1401194140 is about 37432.5278334232. The cubic root of 1401194140 is about 1119.0069162670.

The spelling of 1401194140 in words is "one billion, four hundred one million, one hundred ninety-four thousand, one hundred forty".