134391381772 has 6 divisors (see below), whose sum is σ = 235184918108. Its totient is φ = 67195690884.

The previous prime is 134391381769. The next prime is 134391381847. The reversal of 134391381772 is 277183193431.

It is a happy number.

It is a super-3 number, since 3×134391381772³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16798922718 + ... + 16798922725.

Almost surely, 2^134391381772 is an apocalyptic number.

It is an amenable number.

134391381772 is a deficient number, since it is larger than the sum of its proper divisors (100793536336).

134391381772 is a wasteful number, since it uses less digits than its factorization.

134391381772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33597845447 (or 33597845445 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The spelling of 134391381772 in words is "one hundred thirty-four billion, three hundred ninety-one million, three hundred eighty-one thousand, seven hundred seventy-two".