140370399 has 24 divisors (see below), whose sum is σ = 218771280. Its totient is φ = 86216832.

The previous prime is 140370331. The next prime is 140370413. The reversal of 140370399 is 993073041.

It is not a de Polignac number, because 140370399 - 2¹⁶ = 140304863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140370199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93912 + ... + 95394.

It is an arithmetic number, because the mean of its divisors is an integer number (9115470).

Almost surely, 2^140370399 is an apocalyptic number.

140370399 is a deficient number, since it is larger than the sum of its proper divisors (78400881).

140370399 is a wasteful number, since it uses less digits than its factorization.

140370399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 140370399 is about 11847.8014416178. The cubic root of 140370399 is about 519.7069342216.

The spelling of 140370399 in words is "one hundred forty million, three hundred seventy thousand, three hundred ninety-nine".