1354378906 has 8 divisors (see below), whose sum is σ = 2032034004. Its totient is φ = 677034240.

The previous prime is 1354378903. The next prime is 1354378939. The reversal of 1354378906 is 6098734531.

It can be written as a sum of positive squares in 2 ways, for example, as 1148599881 + 205779025 = 33891^2 + 14345^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1354378901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66375 + ... + 84346.

Almost surely, 2^1354378906 is an apocalyptic number.

1354378906 is a deficient number, since it is larger than the sum of its proper divisors (677655098).

1354378906 is a wasteful number, since it uses less digits than its factorization.

1354378906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155216.

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

The square root of 1354378906 is about 36801.8872613892. The cubic root of 1354378906 is about 1106.4031249155.

The spelling of 1354378906 in words is "one billion, three hundred fifty-four million, three hundred seventy-eight thousand, nine hundred six".