140046012434 has 4 divisors (see below), whose sum is σ = 210069018654. Its totient is φ = 70023006216.

The previous prime is 140046012433. The next prime is 140046012437. The reversal of 140046012434 is 434210640041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132223140625 + 7822871809 = 363625^2 + 88447^2 .

It is a super-2 number, since 2×140046012434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140046012397 and 140046012406.

It is not an unprimeable number, because it can be changed into a prime (140046012433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35011503107 + ... + 35011503110.

Almost surely, 2^140046012434 is an apocalyptic number.

140046012434 is a deficient number, since it is larger than the sum of its proper divisors (70023006220).

140046012434 is an equidigital number, since it uses as much as digits as its factorization.

140046012434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70023006219.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140046012434 its reverse (434210640041), we get a palindrome (574256652475).

The spelling of 140046012434 in words is "one hundred forty billion, forty-six million, twelve thousand, four hundred thirty-four".