140370285 has 24 divisors (see below), whose sum is σ = 246869280. Its totient is φ = 68057440.

The previous prime is 140370277. The next prime is 140370301. The reversal of 140370285 is 582073041.

It is not a de Polignac number, because 140370285 - 2³ = 140370277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36855 + ... + 40484.

It is an arithmetic number, because the mean of its divisors is an integer number (10286220).

Almost surely, 2^140370285 is an apocalyptic number.

140370285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140370285 is a deficient number, since it is larger than the sum of its proper divisors (106498995).

140370285 is a wasteful number, since it uses less digits than its factorization.

140370285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77369 (or 77358 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140370285 is about 11847.7966305976. The cubic root of 140370285 is about 519.7067935305.

The spelling of 140370285 in words is "one hundred forty million, three hundred seventy thousand, two hundred eighty-five".