1139346571 has 16 divisors (see below), whose sum is σ = 1309559040. Its totient is φ = 980341920.

The previous prime is 1139346557. The next prime is 1139346641. The reversal of 1139346571 is 1756439311.

It is a cyclic number.

It is not a de Polignac number, because 1139346571 - 2¹¹ = 1139344523 is a prime.

It is a super-2 number, since 2×1139346571² = 2596221217698916082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1139346521) 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, 320721 + ... + 324253.

It is an arithmetic number, because the mean of its divisors is an integer number (81847440).

Almost surely, 2^1139346571 is an apocalyptic number.

1139346571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1139346571 is a deficient number, since it is larger than the sum of its proper divisors (170212469).

1139346571 is a wasteful number, since it uses less digits than its factorization.

1139346571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106.

The product of its digits is 68040, while the sum is 40.

The square root of 1139346571 is about 33754.2081969049. The cubic root of 1139346571 is about 1044.4442978468. Note that the first 3 decimals are identical.

The spelling of 1139346571 in words is "one billion, one hundred thirty-nine million, three hundred forty-six thousand, five hundred seventy-one".