140028470 has 32 divisors (see below), whose sum is σ = 257517792. Its totient is φ = 54810112.

The previous prime is 140028451. The next prime is 140028479. The reversal of 140028470 is 74820041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140028479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93044 + ... + 94536.

It is an arithmetic number, because the mean of its divisors is an integer number (8047431).

Almost surely, 2^140028470 is an apocalyptic number.

140028470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140028470 is a deficient number, since it is larger than the sum of its proper divisors (117489322).

140028470 is a wasteful number, since it uses less digits than its factorization.

140028470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 140028470 is about 11833.3625821235. The cubic root of 140028470 is about 519.2846054916.

The spelling of 140028470 in words is "one hundred forty million, twenty-eight thousand, four hundred seventy".