1354309688 has 16 divisors (see below), whose sum is σ = 2545201680. Its totient is φ = 675589248.

The previous prime is 1354309687. The next prime is 1354309699. The reversal of 1354309688 is 8869034531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354309681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192020 + ... + 198947.

It is an arithmetic number, because the mean of its divisors is an integer number (159075105).

Almost surely, 2^1354309688 is an apocalyptic number.

It is an amenable number.

1354309688 is a deficient number, since it is larger than the sum of its proper divisors (1190891992).

1354309688 is a wasteful number, since it uses less digits than its factorization.

1354309688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391406 (or 391402 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1354309688 is about 36800.9468356454. The cubic root of 1354309688 is about 1106.3842763456.

The spelling of 1354309688 in words is "one billion, three hundred fifty-four million, three hundred nine thousand, six hundred eighty-eight".