140401400 has 24 divisors (see below), whose sum is σ = 326433720. Its totient is φ = 56160480.

The previous prime is 140401367. The next prime is 140401403. The reversal of 140401400 is 4104041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350804 + ... + 351203.

It is an arithmetic number, because the mean of its divisors is an integer number (13601405).

Almost surely, 2^140401400 is an apocalyptic number.

140401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140401400 is an abundant number, since it is smaller than the sum of its proper divisors (186032320).

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

140401400 is a wasteful number, since it uses less digits than its factorization.

140401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702023 (or 702014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140401400 is about 11849.1096711947. The cubic root of 140401400 is about 519.7451907412.

Adding to 140401400 its reverse (4104041), we get a palindrome (144505441).

The spelling of 140401400 in words is "one hundred forty million, four hundred one thousand, four hundred".