1139551173406 has 8 divisors (see below), whose sum is σ = 1710135723744. Its totient is φ = 569505932160.

The previous prime is 1139551173391. The next prime is 1139551173443. The reversal of 1139551173406 is 6043711559311.

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

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, 134821990 + ... + 134830441.

It is an arithmetic number, because the mean of its divisors is an integer number (213766965468).

Almost surely, 2^{1139551173406} is an apocalyptic number.

1139551173406 is a deficient number, since it is larger than the sum of its proper divisors (570584550338).

1139551173406 is a wasteful number, since it uses less digits than its factorization.

1139551173406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269654546.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 1139551173406 in words is "one trillion, one hundred thirty-nine billion, five hundred fifty-one million, one hundred seventy-three thousand, four hundred six".