140004554 has 8 divisors (see below), whose sum is σ = 222360228. Its totient is φ = 65884480.

The previous prime is 140004539. The next prime is 140004589. The reversal of 140004554 is 455400041.

It can be written as a sum of positive squares in 2 ways, for example, as 127080529 + 12924025 = 11273^2 + 3595^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058857 + ... + 2058924.

Almost surely, 2^140004554 is an apocalyptic number.

140004554 is a deficient number, since it is larger than the sum of its proper divisors (82355674).

140004554 is a wasteful number, since it uses less digits than its factorization.

140004554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117800.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140004554 is about 11832.3520062581. The cubic root of 140004554 is about 519.2550402712.

Adding to 140004554 its reverse (455400041), we get a palindrome (595404595).

The spelling of 140004554 in words is "one hundred forty million, four thousand, five hundred fifty-four".