134440145644654 has 8 divisors (see below), whose sum is σ = 201679088174208. Its totient is φ = 67213782919920.

The previous prime is 134440145644619. The next prime is 134440145644669. The reversal of 134440145644654 is 456446541044431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 134440145644595 and 134440145644604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3144924487 + ... + 3144967234.

It is an arithmetic number, because the mean of its divisors is an integer number (25209886021776).

Almost surely, 2^{134440145644654} is an apocalyptic number.

134440145644654 is a deficient number, since it is larger than the sum of its proper divisors (67238942529554).

134440145644654 is a wasteful number, since it uses less digits than its factorization.

134440145644654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289902410.

The product of its (nonzero) digits is 44236800, while the sum is 55.

The spelling of 134440145644654 in words is "one hundred thirty-four trillion, four hundred forty billion, one hundred forty-five million, six hundred forty-four thousand, six hundred fifty-four".