1349236542 has 32 divisors (see below), whose sum is σ = 2856458880. Its totient is φ = 424136160.

The previous prime is 1349236519. The next prime is 1349236573. The reversal of 1349236542 is 2456329431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1349236542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82684 + ... + 97647.

It is an arithmetic number, because the mean of its divisors is an integer number (89264340).

Almost surely, 2^1349236542 is an apocalyptic number.

1349236542 is an abundant number, since it is smaller than the sum of its proper divisors (1507222338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349236542 is a wasteful number, since it uses less digits than its factorization.

1349236542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180408.

The product of its digits is 155520, while the sum is 39.

The square root of 1349236542 is about 36731.9553250300. The cubic root of 1349236542 is about 1105.0010693191.

The spelling of 1349236542 in words is "one billion, three hundred forty-nine million, two hundred thirty-six thousand, five hundred forty-two".