1346854509 has 72 divisors (see below), whose sum is σ = 2632063616. Its totient is φ = 645796800.

The previous prime is 1346854507. The next prime is 1346854541. The reversal of 1346854509 is 9054586431.

1346854509 is a `hidden beast` number, since 1 + 34 + 68 + 54 + 509 = 666.

It is not a de Polignac number, because 1346854509 - 2¹ = 1346854507 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346854507) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 92304 + ... + 105894.

Almost surely, 2^1346854509 is an apocalyptic number.

It is an amenable number.

1346854509 is a deficient number, since it is larger than the sum of its proper divisors (1285209107).

1346854509 is a wasteful number, since it uses less digits than its factorization.

1346854509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13639 (or 13625 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1346854509 is about 36699.5164682043. The cubic root of 1346854509 is about 1104.3504051738.

The spelling of 1346854509 in words is "one billion, three hundred forty-six million, eight hundred fifty-four thousand, five hundred nine".