140477285 has 8 divisors (see below), whose sum is σ = 181539960. Its totient is φ = 103737024.

The previous prime is 140477257. The next prime is 140477291. The reversal of 140477285 is 582774041.

140477285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33189121 + 107288164 = 5761^2 + 10358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140477285 - 2¹⁶ = 140411749 is a prime.

It is a congruent 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, 1080530 + ... + 1080659.

It is an arithmetic number, because the mean of its divisors is an integer number (22692495).

Almost surely, 2^140477285 is an apocalyptic number.

It is an amenable number.

140477285 is a deficient number, since it is larger than the sum of its proper divisors (41062675).

140477285 is a wasteful number, since it uses less digits than its factorization.

140477285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161207.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 140477285 is about 11852.3113779549. The cubic root of 140477285 is about 519.8388122202.

The spelling of 140477285 in words is "one hundred forty million, four hundred seventy-seven thousand, two hundred eighty-five".