140454402 has 32 divisors (see below), whose sum is σ = 307817280. Its totient is φ = 42371520.

The previous prime is 140454389. The next prime is 140454407. The reversal of 140454402 is 204454041.

It is a happy number.

140454402 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 (140454407) 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, 10468 + ... + 19760.

It is an arithmetic number, because the mean of its divisors is an integer number (9619290).

Almost surely, 2^140454402 is an apocalyptic number.

140454402 is an abundant number, since it is smaller than the sum of its proper divisors (167362878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140454402 is a wasteful number, since it uses less digits than its factorization.

140454402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140454402 is about 11851.3459995057. The cubic root of 140454402 is about 519.8105843647.

The spelling of 140454402 in words is "one hundred forty million, four hundred fifty-four thousand, four hundred two".