134961421044 has 24 divisors (see below), whose sum is σ = 317853069408. Its totient is φ = 44566699360.

The previous prime is 134961421031. The next prime is 134961421051. The reversal of 134961421044 is 440124169431.

It is a junction number, because it is equal to n+sod(n) for n = 134961420993 and 134961421011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52553787 + ... + 52556354.

It is an arithmetic number, because the mean of its divisors is an integer number (13243877892).

Almost surely, 2^134961421044 is an apocalyptic number.

It is an amenable number.

134961421044 is an abundant number, since it is smaller than the sum of its proper divisors (182891648364).

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

134961421044 is a wasteful number, since it uses less digits than its factorization.

134961421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105110255 (or 105110253 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 134961421044 in words is "one hundred thirty-four billion, nine hundred sixty-one million, four hundred twenty-one thousand, forty-four".