147138859 has 12 divisors (see below), whose sum is σ = 178634704. Its totient is φ = 118698624.

The previous prime is 147138839. The next prime is 147138877. The reversal of 147138859 is 958831741.

It is a happy number.

It is not a de Polignac number, because 147138859 - 2⁷ = 147138731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147138839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34344 + ... + 38389.

Almost surely, 2^147138859 is an apocalyptic number.

147138859 is a deficient number, since it is larger than the sum of its proper divisors (31495845).

147138859 is an equidigital number, since it uses as much as digits as its factorization.

147138859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72774 (or 72757 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 147138859 is about 12130.0807499373. The cubic root of 147138859 is about 527.9293348860.

The spelling of 147138859 in words is "one hundred forty-seven million, one hundred thirty-eight thousand, eight hundred fifty-nine".