140453434 has 32 divisors (see below), whose sum is σ = 243322560. Its totient is φ = 60134400.

The previous prime is 140453431. The next prime is 140453449. The reversal of 140453434 is 434354041.

140453434 is digitally balanced in base 2, 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 (140453431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79804 + ... + 81544.

It is an arithmetic number, because the mean of its divisors is an integer number (7603830).

Almost surely, 2^140453434 is an apocalyptic number.

140453434 is a deficient number, since it is larger than the sum of its proper divisors (102869126).

140453434 is a wasteful number, since it uses less digits than its factorization.

140453434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 140453434 is about 11851.3051601923. The cubic root of 140453434 is about 519.8093901983.

The spelling of 140453434 in words is "one hundred forty million, four hundred fifty-three thousand, four hundred thirty-four".