140478412 has 24 divisors (see below), whose sum is σ = 260986320. Its totient is φ = 65932800.

The previous prime is 140478409. The next prime is 140478451. The reversal of 140478412 is 214874041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25287 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (10874430).

Almost surely, 2^140478412 is an apocalyptic number.

It is an amenable number.

140478412 is a deficient number, since it is larger than the sum of its proper divisors (120507908).

140478412 is a wasteful number, since it uses less digits than its factorization.

140478412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 140478412 is about 11852.3589213287. The cubic root of 140478412 is about 519.8402023780.

The spelling of 140478412 in words is "one hundred forty million, four hundred seventy-eight thousand, four hundred twelve".