1149440735 has 4 divisors (see below), whose sum is σ = 1379328888. Its totient is φ = 919552584.

The previous prime is 1149440731. The next prime is 1149440753. The reversal of 1149440735 is 5370449411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5370449411 = 41 ⋅130986571.

It is a cyclic number.

It is not a de Polignac number, because 1149440735 - 2² = 1149440731 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 (1149440731) 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, 114944069 + ... + 114944078.

It is an arithmetic number, because the mean of its divisors is an integer number (344832222).

Almost surely, 2^1149440735 is an apocalyptic number.

1149440735 is a deficient number, since it is larger than the sum of its proper divisors (229888153).

1149440735 is an equidigital number, since it uses as much as digits as its factorization.

1149440735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229888152.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1149440735 is about 33903.4030002889. The cubic root of 1149440735 is about 1047.5196890826.

The spelling of 1149440735 in words is "one billion, one hundred forty-nine million, four hundred forty thousand, seven hundred thirty-five".