140006554 has 32 divisors (see below), whose sum is σ = 229743360. Its totient is φ = 63763200.

The previous prime is 140006551. The next prime is 140006567. The reversal of 140006554 is 455600041.

140006554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140006551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 113119 + ... + 114349.

It is an arithmetic number, because the mean of its divisors is an integer number (7179480).

Almost surely, 2^140006554 is an apocalyptic number.

140006554 is a deficient number, since it is larger than the sum of its proper divisors (89736806).

140006554 is a wasteful number, since it uses less digits than its factorization.

140006554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 140006554 is about 11832.4365200072. The cubic root of 140006554 is about 519.2575128221.

Adding to 140006554 its reverse (455600041), we get a palindrome (595606595).

The spelling of 140006554 in words is "one hundred forty million, six thousand, five hundred fifty-four".