147781134 has 12 divisors (see below), whose sum is σ = 320192496. Its totient is φ = 49260372.

The previous prime is 147781121. The next prime is 147781157. The reversal of 147781134 is 431187741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4105014 + ... + 4105049.

It is an arithmetic number, because the mean of its divisors is an integer number (26682708).

Almost surely, 2^147781134 is an apocalyptic number.

147781134 is an abundant number, since it is smaller than the sum of its proper divisors (172411362).

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

147781134 is a wasteful number, since it uses less digits than its factorization.

147781134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210071 (or 8210068 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 147781134 is about 12156.5263953154. The cubic root of 147781134 is about 528.6963736838.

The spelling of 147781134 in words is "one hundred forty-seven million, seven hundred eighty-one thousand, one hundred thirty-four".