140648434 has 8 divisors (see below), whose sum is σ = 218247660. Its totient is φ = 67899216.

The previous prime is 140648419. The next prime is 140648441. The reversal of 140648434 is 434846041.

140648434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140351409 + 297025 = 11847^2 + 545^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 140648434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212429 + ... + 1212544.

Almost surely, 2^140648434 is an apocalyptic number.

140648434 is a deficient number, since it is larger than the sum of its proper divisors (77599226).

140648434 is a wasteful number, since it uses less digits than its factorization.

140648434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425004.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 140648434 is about 11859.5292486675. The cubic root of 140648434 is about 520.0498398975.

The spelling of 140648434 in words is "one hundred forty million, six hundred forty-eight thousand, four hundred thirty-four".