7751380221134 has 32 divisors (see below), whose sum is σ = 12994418152800. Its totient is φ = 3437161574400.

The previous prime is 7751380221127. The next prime is 7751380221139. The reversal of 7751380221134 is 4311220831577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7751380221139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11981792 + ... + 12612140.

It is an arithmetic number, because the mean of its divisors is an integer number (406075567275).

Almost surely, 2^{7751380221134} is an apocalyptic number.

7751380221134 is a deficient number, since it is larger than the sum of its proper divisors (5243037931666).

7751380221134 is a wasteful number, since it uses less digits than its factorization.

7751380221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644036.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 7751380221134 in words is "seven trillion, seven hundred fifty-one billion, three hundred eighty million, two hundred twenty-one thousand, one hundred thirty-four".