142697000991 has 32 divisors (see below), whose sum is σ = 194014937088. Its totient is φ = 93275642880.

The previous prime is 142697000977. The next prime is 142697001017. The reversal of 142697000991 is 199000796241.

142697000991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142697000991 - 2¹⁰ = 142696999967 is a prime.

It is a super-3 number, since 3×142697000991³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142697000991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142697000951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30339346 + ... + 30344048.

It is an arithmetic number, because the mean of its divisors is an integer number (6062966784).

Almost surely, 2^142697000991 is an apocalyptic number.

142697000991 is a deficient number, since it is larger than the sum of its proper divisors (51317936097).

142697000991 is a wasteful number, since it uses less digits than its factorization.

142697000991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751.

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 142697000991 in words is "one hundred forty-two billion, six hundred ninety-seven million, nine hundred ninety-one", and thus it is an aban number.