140364459 has 6 divisors (see below), whose sum is σ = 202748676. Its totient is φ = 93576300.

The previous prime is 140364439. The next prime is 140364491. The reversal of 140364459 is 954463041.

140364459 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 644 + 5 + 9 = 666.

It is not a de Polignac number, because 140364459 - 2¹⁶ = 140298923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140364409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7798017 + ... + 7798034.

It is an arithmetic number, because the mean of its divisors is an integer number (33791446).

Almost surely, 2^140364459 is an apocalyptic number.

140364459 is a deficient number, since it is larger than the sum of its proper divisors (62384217).

140364459 is a wasteful number, since it uses less digits than its factorization.

140364459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596057 (or 15596054 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 140364459 is about 11847.5507595452. The cubic root of 140364459 is about 519.6996033723.

The spelling of 140364459 in words is "one hundred forty million, three hundred sixty-four thousand, four hundred fifty-nine".