140431034 has 8 divisors (see below), whose sum is σ = 215545440. Its totient is φ = 68582556.

The previous prime is 140431019. The next prime is 140431043. The reversal of 140431034 is 430134041.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140430997 and 140431015.

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, 816374 + ... + 816545.

It is an arithmetic number, because the mean of its divisors is an integer number (26943180).

Almost surely, 2^140431034 is an apocalyptic number.

140431034 is a deficient number, since it is larger than the sum of its proper divisors (75114406).

140431034 is a wasteful number, since it uses less digits than its factorization.

140431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632964.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140431034 is about 11850.3600789174. The cubic root of 140431034 is about 519.7817550620.

Adding to 140431034 its reverse (430134041), we get a palindrome (570565075).

The spelling of 140431034 in words is "one hundred forty million, four hundred thirty-one thousand, thirty-four".