1071356217139 has 16 divisors (see below), whose sum is σ = 1203986693952. Its totient is φ = 945903708288.

The previous prime is 1071356217119. The next prime is 1071356217221. The reversal of 1071356217139 is 9317126531701.

It is a cyclic number.

It is not a de Polignac number, because 1071356217139 - 2⁹ = 1071356216627 is a prime.

It is a super-2 number, since 2×1071356217139² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071356217119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7793469 + ... + 7929745.

It is an arithmetic number, because the mean of its divisors is an integer number (75249168372).

Almost surely, 2^{1071356217139} is an apocalyptic number.

1071356217139 is a deficient number, since it is larger than the sum of its proper divisors (132630476813).

1071356217139 is a wasteful number, since it uses less digits than its factorization.

1071356217139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162606.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 1071356217139 in words is "one trillion, seventy-one billion, three hundred fifty-six million, two hundred seventeen thousand, one hundred thirty-nine".