1074139231 has 8 divisors (see below), whose sum is σ = 1172393424. Its totient is φ = 975985920.

The previous prime is 1074139223. The next prime is 1074139249. The reversal of 1074139231 is 1329314701.

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

It is a cyclic number.

It is not a de Polignac number, because 1074139231 - 2³ = 1074139223 is a prime.

It is a super-2 number, since 2×1074139231² = 2307550175146542722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1074139193 and 1074139202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074139211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 46393.

It is an arithmetic number, because the mean of its divisors is an integer number (146549178).

Almost surely, 2^1074139231 is an apocalyptic number.

1074139231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1074139231 is a deficient number, since it is larger than the sum of its proper divisors (98254193).

1074139231 is a wasteful number, since it uses less digits than its factorization.

1074139231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50441.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1074139231 is about 32774.0633886004. The cubic root of 1074139231 is about 1024.1263167004.

The spelling of 1074139231 in words is "one billion, seventy-four million, one hundred thirty-nine thousand, two hundred thirty-one".