1146138349 has 4 divisors (see below), whose sum is σ = 1206461440. Its totient is φ = 1085815260.

The previous prime is 1146138347. The next prime is 1146138373. The reversal of 1146138349 is 9438316411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1146138349 - 2¹ = 1146138347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146138341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30161517 + ... + 30161554.

It is an arithmetic number, because the mean of its divisors is an integer number (301615360).

Almost surely, 2^1146138349 is an apocalyptic number.

1146138349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1146138349 is a deficient number, since it is larger than the sum of its proper divisors (60323091).

1146138349 is an equidigital number, since it uses as much as digits as its factorization.

1146138349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60323090.

The product of its digits is 62208, while the sum is 40.

The square root of 1146138349 is about 33854.6650995103. The cubic root of 1146138349 is about 1046.5155391334.

The spelling of 1146138349 in words is "one billion, one hundred forty-six million, one hundred thirty-eight thousand, three hundred forty-nine".