1072735139 has 16 divisors (see below), whose sum is σ = 1299691008. Its totient is φ = 864339072.

The previous prime is 1072735127. The next prime is 1072735177. The reversal of 1072735139 is 9315372701.

It is a cyclic number.

It is not a de Polignac number, because 1072735139 - 2⁴ = 1072735123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1072735189) 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, 100472 + ... + 110634.

It is an arithmetic number, because the mean of its divisors is an integer number (81230688).

Almost surely, 2^1072735139 is an apocalyptic number.

1072735139 is a deficient number, since it is larger than the sum of its proper divisors (226955869).

1072735139 is a wasteful number, since it uses less digits than its factorization.

1072735139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1072735139 is about 32752.6356038716. The cubic root of 1072735139 is about 1023.6798833945.

The spelling of 1072735139 in words is "one billion, seventy-two million, seven hundred thirty-five thousand, one hundred thirty-nine".