134444667790 has 32 divisors (see below), whose sum is σ = 263161021824. Its totient is φ = 49246502400.

The previous prime is 134444667787. The next prime is 134444667817. The reversal of 134444667790 is 97766444431.

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, 10680886 + ... + 10693465.

It is an arithmetic number, because the mean of its divisors is an integer number (8223781932).

Almost surely, 2^134444667790 is an apocalyptic number.

134444667790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134444667790 is a deficient number, since it is larger than the sum of its proper divisors (128716354034).

134444667790 is a wasteful number, since it uses less digits than its factorization.

134444667790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374412.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 134444667790 in words is "one hundred thirty-four billion, four hundred forty-four million, six hundred sixty-seven thousand, seven hundred ninety".