143960979397 has 4 divisors (see below), whose sum is σ = 147851816716. Its totient is φ = 140070142080.

The previous prime is 143960979389. The next prime is 143960979401. The reversal of 143960979397 is 793979069341.

143960979397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 90269601601 + 53691377796 = 300449^2 + 231714^2 .

It is a cyclic number.

It is not a de Polignac number, because 143960979397 - 2³ = 143960979389 is a prime.

It is a super-3 number, since 3×143960979397³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143960979307) 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 3 ways as a sum of consecutive naturals, for example, 1945418604 + ... + 1945418677.

It is an arithmetic number, because the mean of its divisors is an integer number (36962954179).

Almost surely, 2^143960979397 is an apocalyptic number.

It is an amenable number.

143960979397 is a deficient number, since it is larger than the sum of its proper divisors (3890837319).

143960979397 is an equidigital number, since it uses as much as digits as its factorization.

143960979397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890837318.

The product of its (nonzero) digits is 69441624, while the sum is 67.

The spelling of 143960979397 in words is "one hundred forty-three billion, nine hundred sixty million, nine hundred seventy-nine thousand, three hundred ninety-seven".