1347273939 has 16 divisors (see below), whose sum is σ = 1996648704. Its totient is φ = 801122400.

The previous prime is 1347273923. The next prime is 1347273959. The reversal of 1347273939 is 9393727431.

It is not a de Polignac number, because 1347273939 - 2⁴ = 1347273923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1347273959) 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, 383407 + ... + 386904.

It is an arithmetic number, because the mean of its divisors is an integer number (124790544).

Almost surely, 2^1347273939 is an apocalyptic number.

1347273939 is a deficient number, since it is larger than the sum of its proper divisors (649374765).

1347273939 is a wasteful number, since it uses less digits than its factorization.

1347273939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770378.

The product of its digits is 857304, while the sum is 48.

The square root of 1347273939 is about 36705.2304038539. The cubic root of 1347273939 is about 1104.4650301794.

The spelling of 1347273939 in words is "one billion, three hundred forty-seven million, two hundred seventy-three thousand, nine hundred thirty-nine".