134649971394 has 32 divisors (see below), whose sum is σ = 274413593664. Its totient is φ = 44031249600.

The previous prime is 134649971321. The next prime is 134649971437. The reversal of 134649971394 is 493179946431.

It is a super-2 number, since 2×134649971394² (a number of 23 digits) contains 22 as substring.

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, 3393369 + ... + 3432819.

It is an arithmetic number, because the mean of its divisors is an integer number (8575424802).

Almost surely, 2^134649971394 is an apocalyptic number.

134649971394 is an abundant number, since it is smaller than the sum of its proper divisors (139763622270).

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

134649971394 is a wasteful number, since it uses less digits than its factorization.

134649971394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50242.

The product of its digits is 17635968, while the sum is 60.

The spelling of 134649971394 in words is "one hundred thirty-four billion, six hundred forty-nine million, nine hundred seventy-one thousand, three hundred ninety-four".