140403412 has 12 divisors (see below), whose sum is σ = 245873376. Its totient is φ = 70153880.

The previous prime is 140403397. The next prime is 140403427. The reversal of 140403412 is 214304041.

It is an interprime number because it is at equal distance from previous prime (140403397) and next prime (140403427).

It is a self number, because there is not a number n which added to its sum of digits gives 140403412.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4888 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (20489448).

Almost surely, 2^140403412 is an apocalyptic number.

It is an amenable number.

140403412 is a deficient number, since it is larger than the sum of its proper divisors (105469964).

140403412 is a wasteful number, since it uses less digits than its factorization.

140403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23918 (or 23916 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140403412 is about 11849.1945717842. The cubic root of 140403412 is about 519.7476734380.

Adding to 140403412 its reverse (214304041), we get a palindrome (354707453).

The spelling of 140403412 in words is "one hundred forty million, four hundred three thousand, four hundred twelve".