7140959999 has 4 divisors (see below), whose sum is σ = 7147286160. Its totient is φ = 7134633840.

The previous prime is 7140959953. The next prime is 7140960011. The reversal of 7140959999 is 9999590417.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7140959999 - 2²⁴ = 7124182783 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 (7140959099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161387 + ... + 3163644.

It is an arithmetic number, because the mean of its divisors is an integer number (1786821540).

Almost surely, 2^7140959999 is an apocalyptic number.

7140959999 is a deficient number, since it is larger than the sum of its proper divisors (6326161).

7140959999 is a wasteful number, since it uses less digits than its factorization.

7140959999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326160.

The product of its (nonzero) digits is 8266860, while the sum is 62.

The square root of 7140959999 is about 84504.2010730828. The cubic root of 7140959999 is about 1925.6862678462.

The spelling of 7140959999 in words is "seven billion, one hundred forty million, nine hundred fifty-nine thousand, nine hundred ninety-nine".