1138790377426 has 32 divisors (see below), whose sum is σ = 1941460899840. Its totient is φ = 496632466944.

The previous prime is 1138790377399. The next prime is 1138790377441. The reversal of 1138790377426 is 6247730978311.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820255 + ... + 3198658.

It is an arithmetic number, because the mean of its divisors is an integer number (60670653120).

Almost surely, 2^{1138790377426} is an apocalyptic number.

1138790377426 is a deficient number, since it is larger than the sum of its proper divisors (802670522414).

1138790377426 is a wasteful number, since it uses less digits than its factorization.

1138790377426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019330.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 1138790377426 in words is "one trillion, one hundred thirty-eight billion, seven hundred ninety million, three hundred seventy-seven thousand, four hundred twenty-six".