147208251638 has 8 divisors (see below), whose sum is σ = 252357002832. Its totient is φ = 63089250696.

The previous prime is 147208251581. The next prime is 147208251643. The reversal of 147208251638 is 836152802741.

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

It is a junction number, because it is equal to n+sod(n) for n = 147208251592 and 147208251601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5257437545 + ... + 5257437572.

It is an arithmetic number, because the mean of its divisors is an integer number (31544625354).

Almost surely, 2^147208251638 is an apocalyptic number.

147208251638 is a deficient number, since it is larger than the sum of its proper divisors (105148751194).

147208251638 is a wasteful number, since it uses less digits than its factorization.

147208251638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514875126.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 147208251638 in words is "one hundred forty-seven billion, two hundred eight million, two hundred fifty-one thousand, six hundred thirty-eight".