1354197478 has 16 divisors (see below), whose sum is σ = 2060100000. Its totient is φ = 667541952.

The previous prime is 1354197433. The next prime is 1354197479. The reversal of 1354197478 is 8747914531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354197479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51223 + ... + 73021.

It is an arithmetic number, because the mean of its divisors is an integer number (128756250).

Almost surely, 2^1354197478 is an apocalyptic number.

1354197478 is a deficient number, since it is larger than the sum of its proper divisors (705902522).

1354197478 is a wasteful number, since it uses less digits than its factorization.

1354197478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22239.

The product of its digits is 846720, while the sum is 49.

The square root of 1354197478 is about 36799.4222508995. The cubic root of 1354197478 is about 1106.3537193739.

The spelling of 1354197478 in words is "one billion, three hundred fifty-four million, one hundred ninety-seven thousand, four hundred seventy-eight".