1011139346 has 48 divisors (see below), whose sum is σ = 1809951936. Its totient is φ = 414977472.

The previous prime is 1011139343. The next prime is 1011139373. The reversal of 1011139346 is 6439311101.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1011139343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1848245 + ... + 1848791.

It is an arithmetic number, because the mean of its divisors is an integer number (37707332).

Almost surely, 2^1011139346 is an apocalyptic number.

1011139346 is a deficient number, since it is larger than the sum of its proper divisors (798812590).

1011139346 is a wasteful number, since it uses less digits than its factorization.

1011139346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1011139346 is about 31798.4173505538. The cubic root of 1011139346 is about 1003.6994128020.

The spelling of 1011139346 in words is "one billion, eleven million, one hundred thirty-nine thousand, three hundred forty-six".