1354972618 has 8 divisors (see below), whose sum is σ = 2038953348. Its totient is φ = 675321504.

The previous prime is 1354972603. The next prime is 1354972649. The reversal of 1354972618 is 8162794531.

It can be written as a sum of positive squares in 2 ways, for example, as 1298377089 + 56595529 = 36033^2 + 7523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081621 + ... + 1082872.

Almost surely, 2^1354972618 is an apocalyptic number.

1354972618 is a deficient number, since it is larger than the sum of its proper divisors (683980730).

1354972618 is a wasteful number, since it uses less digits than its factorization.

1354972618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164808.

The product of its digits is 362880, while the sum is 46.

The square root of 1354972618 is about 36809.9527030394. The cubic root of 1354972618 is about 1106.5647706823.

The spelling of 1354972618 in words is "one billion, three hundred fifty-four million, nine hundred seventy-two thousand, six hundred eighteen".