140115999 has 8 divisors (see below), whose sum is σ = 186932272. Its totient is φ = 93355200.

The previous prime is 140115967. The next prime is 140116021. The reversal of 140115999 is 999511041.

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

It is not a de Polignac number, because 140115999 - 2⁵ = 140115967 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 (140115949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7564 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (23366534).

Almost surely, 2^140115999 is an apocalyptic number.

140115999 is a deficient number, since it is larger than the sum of its proper divisors (46816273).

140115999 is a wasteful number, since it uses less digits than its factorization.

140115999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27737.

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 140115999 is about 11837.0604036644. The cubic root of 140115999 is about 519.3927811006.

The spelling of 140115999 in words is "one hundred forty million, one hundred fifteen thousand, nine hundred ninety-nine".