140513999 has 4 divisors (see below), whose sum is σ = 140552160. Its totient is φ = 140475840.

The previous prime is 140513983. The next prime is 140514007. The reversal of 140513999 is 999315041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999315041 = 16069 ⋅62189.

It is a cyclic number.

It is not a de Polignac number, because 140513999 - 2⁴ = 140513983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140518999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12887 + ... + 21144.

It is an arithmetic number, because the mean of its divisors is an integer number (35138040).

Almost surely, 2^140513999 is an apocalyptic number.

140513999 is a deficient number, since it is larger than the sum of its proper divisors (38161).

140513999 is an equidigital number, since it uses as much as digits as its factorization.

140513999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 140513999 is about 11853.8600885956. The cubic root of 140513999 is about 519.8840952227.

The spelling of 140513999 in words is "one hundred forty million, five hundred thirteen thousand, nine hundred ninety-nine".