1198159131639 has 8 divisors (see below), whose sum is σ = 1649079235072. Its totient is φ = 773005891320.

The previous prime is 1198159131619. The next prime is 1198159131649. The reversal of 1198159131639 is 9361319518911.

It is a happy number.

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

It is not a de Polignac number, because 1198159131639 - 2²⁹ = 1197622260727 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 (1198159131619) 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, 6441715669 + ... + 6441715854.

It is an arithmetic number, because the mean of its divisors is an integer number (206134904384).

Almost surely, 2^{1198159131639} is an apocalyptic number.

1198159131639 is a deficient number, since it is larger than the sum of its proper divisors (450920103433).

1198159131639 is a wasteful number, since it uses less digits than its factorization.

1198159131639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883431557.

The product of its digits is 1574640, while the sum is 57.

The spelling of 1198159131639 in words is "one trillion, one hundred ninety-eight billion, one hundred fifty-nine million, one hundred thirty-one thousand, six hundred thirty-nine".