140412400 has 30 divisors (see below), whose sum is σ = 337341752. Its totient is φ = 56164800.

The previous prime is 140412353. The next prime is 140412407. The reversal of 140412400 is 4214041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140412407) 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 5 ways as a sum of consecutive naturals, for example, 175116 + ... + 175915.

Almost surely, 2^140412400 is an apocalyptic number.

140412400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140412400 is an abundant number, since it is smaller than the sum of its proper divisors (196929352).

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

140412400 is a wasteful number, since it uses less digits than its factorization.

140412400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351049 (or 351038 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140412400 is about 11849.5738319992. The cubic root of 140412400 is about 519.7587638437.

Adding to 140412400 its reverse (4214041), we get a palindrome (144626441).

The spelling of 140412400 in words is "one hundred forty million, four hundred twelve thousand, four hundred".