158135579247 has 8 divisors (see below), whose sum is σ = 213516394240. Its totient is φ = 104089241880.

The previous prime is 158135579243. The next prime is 158135579263. The reversal of 158135579247 is 742975531851.

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

It is not a de Polignac number, because 158135579247 - 2² = 158135579243 is a prime.

It is a super-2 number, since 2×158135579247² (a number of 23 digits) contains 22 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 (158135579243) 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, 333619129 + ... + 333619602.

It is an arithmetic number, because the mean of its divisors is an integer number (26689549280).

Almost surely, 2^158135579247 is an apocalyptic number.

158135579247 is a deficient number, since it is larger than the sum of its proper divisors (55380814993).

158135579247 is an equidigital number, since it uses as much as digits as its factorization.

158135579247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667238813.

The product of its digits is 10584000, while the sum is 57.

The spelling of 158135579247 in words is "one hundred fifty-eight billion, one hundred thirty-five million, five hundred seventy-nine thousand, two hundred forty-seven".