2147139546 has 32 divisors (see below), whose sum is σ = 4448687616. Its totient is φ = 690144000.

The previous prime is 2147139529. The next prime is 2147139557. The reversal of 2147139546 is 6459317412.

It is a super-2 number, since 2×2147139546² = 9220416459994172232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147139498 and 2147139507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31726 + ... + 72806.

It is an arithmetic number, because the mean of its divisors is an integer number (139021488).

Almost surely, 2^2147139546 is an apocalyptic number.

2147139546 is an abundant number, since it is smaller than the sum of its proper divisors (2301548070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2147139546 is a wasteful number, since it uses less digits than its factorization.

2147139546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41398.

The product of its digits is 181440, while the sum is 42.

The square root of 2147139546 is about 46337.2371424970. The cubic root of 2147139546 is about 1290.0902418692.

The spelling of 2147139546 in words is "two billion, one hundred forty-seven million, one hundred thirty-nine thousand, five hundred forty-six".