147428922731 has 8 divisors (see below), whose sum is σ = 152722458624. Its totient is φ = 142168997160.

The previous prime is 147428922727. The next prime is 147428922763. The reversal of 147428922731 is 137229824741.

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

It is a cyclic number.

It is not a de Polignac number, because 147428922731 - 2² = 147428922727 is a prime.

It is a super-2 number, since 2×147428922731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147428922731.

It is not an unprimeable number, because it can be changed into a prime (147428982731) 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, 8393651 + ... + 8411196.

It is an arithmetic number, because the mean of its divisors is an integer number (19090307328).

Almost surely, 2^147428922731 is an apocalyptic number.

147428922731 is a deficient number, since it is larger than the sum of its proper divisors (5293535893).

147428922731 is a wasteful number, since it uses less digits than its factorization.

147428922731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805161.

The product of its digits is 1354752, while the sum is 50.

The spelling of 147428922731 in words is "one hundred forty-seven billion, four hundred twenty-eight million, nine hundred twenty-two thousand, seven hundred thirty-one".