1354172998 has 8 divisors (see below), whose sum is σ = 2033615808. Its totient is φ = 676301064.

The previous prime is 1354172957. The next prime is 1354173011. The reversal of 1354172998 is 8992714531.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390561 + ... + 394012.

It is an arithmetic number, because the mean of its divisors is an integer number (254201976).

Almost surely, 2^1354172998 is an apocalyptic number.

1354172998 is a deficient number, since it is larger than the sum of its proper divisors (679442810).

1354172998 is an equidigital number, since it uses as much as digits as its factorization.

1354172998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785438.

The product of its digits is 544320, while the sum is 49.

The square root of 1354172998 is about 36799.0896354788. The cubic root of 1354172998 is about 1106.3470527681.

The spelling of 1354172998 in words is "one billion, three hundred fifty-four million, one hundred seventy-two thousand, nine hundred ninety-eight".