138091030473796 has 27 divisors (see below), whose sum is σ = 241858821354717. Its totient is φ = 68988557102640.

The previous prime is 138091030473733. The next prime is 138091030473821. The reversal of 138091030473796 is 697374030190831.

The square root of 138091030473796 is 11751214.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 130051900240900 + 8039130232896 = 11404030^2 + 2835336^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56664352690 + ... + 56664355126.

Almost surely, 2^{138091030473796} is an apocalyptic number.

138091030473796 is the 11751214-th square number.

It is an amenable number.

138091030473796 is a deficient number, since it is larger than the sum of its proper divisors (103767790880921).

138091030473796 is an frugal number, since it uses more digits than its factorization.

138091030473796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 138091030473796 in words is "one hundred thirty-eight trillion, ninety-one billion, thirty million, four hundred seventy-three thousand, seven hundred ninety-six".