134401323621646 has 32 divisors (see below), whose sum is σ = 213774148834272. Its totient is φ = 63154922019840.

The previous prime is 134401323621611. The next prime is 134401323621767. The reversal of 134401323621646 is 646126323104431.

It is a junction number, because it is equal to n+sod(n) for n = 134401323621596 and 134401323621605.

It is a congruent number.

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, 90716986 + ... + 92186626.

It is an arithmetic number, because the mean of its divisors is an integer number (6680442151071).

Almost surely, 2^{134401323621646} is an apocalyptic number.

134401323621646 is a deficient number, since it is larger than the sum of its proper divisors (79372825212626).

134401323621646 is a wasteful number, since it uses less digits than its factorization.

134401323621646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473604.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 134401323621646 in words is "one hundred thirty-four trillion, four hundred one billion, three hundred twenty-three million, six hundred twenty-one thousand, six hundred forty-six".