1353046978 has 16 divisors (see below), whose sum is σ = 2065403520. Its totient is φ = 664606800.

The previous prime is 1353046973. The next prime is 1353046999. The reversal of 1353046978 is 8796403531.

It is a super-2 number, since 2×1353046978² = 3661472249349864968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1353046973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98343 + ... + 111253.

It is an arithmetic number, because the mean of its divisors is an integer number (129087720).

Almost surely, 2^1353046978 is an apocalyptic number.

1353046978 is a deficient number, since it is larger than the sum of its proper divisors (712356542).

1353046978 is a wasteful number, since it uses less digits than its factorization.

1353046978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1353046978 is about 36783.7868904223. The cubic root of 1353046978 is about 1106.0403183595.

The spelling of 1353046978 in words is "one billion, three hundred fifty-three million, forty-six thousand, nine hundred seventy-eight".