134436474646 has 32 divisors (see below), whose sum is σ = 210395229408. Its totient is φ = 64375484160.

The previous prime is 134436474617. The next prime is 134436474659. The reversal of 134436474646 is 646474634431.

It is a junction number, because it is equal to n+sod(n) for n = 134436474593 and 134436474602.

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, 1005636 + ... + 1131448.

It is an arithmetic number, because the mean of its divisors is an integer number (6574850919).

Almost surely, 2^134436474646 is an apocalyptic number.

134436474646 is a deficient number, since it is larger than the sum of its proper divisors (75958754762).

134436474646 is a wasteful number, since it uses less digits than its factorization.

134436474646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126096.

The product of its digits is 13934592, while the sum is 52.

The spelling of 134436474646 in words is "one hundred thirty-four billion, four hundred thirty-six million, four hundred seventy-four thousand, six hundred forty-six".