1347021459 has 48 divisors (see below), whose sum is σ = 2268277440. Its totient is φ = 754375680.

The previous prime is 1347021449. The next prime is 1347021461. The reversal of 1347021459 is 9541207431.

1347021459 is a `hidden beast` number, since 134 + 70 + 2 + 1 + 459 = 666.

It is not a de Polignac number, because 1347021459 - 2²⁰ = 1345972883 is a prime.

It is a super-2 number, since 2×1347021459² = 3628933622012977362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1347021439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1571359 + ... + 1572215.

It is an arithmetic number, because the mean of its divisors is an integer number (47255780).

Almost surely, 2^1347021459 is an apocalyptic number.

1347021459 is a deficient number, since it is larger than the sum of its proper divisors (921255981).

1347021459 is a wasteful number, since it uses less digits than its factorization.

1347021459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1347021459 is about 36701.7909508514. The cubic root of 1347021459 is about 1104.3960333842.

It can be divided in two parts, 134702 and 1459, that added together give a square (136161 = 369²).

The spelling of 1347021459 in words is "one billion, three hundred forty-seven million, twenty-one thousand, four hundred fifty-nine".