140624146426 has 4 divisors (see below), whose sum is σ = 210936219642. Its totient is φ = 70312073212.

The previous prime is 140624146391. The next prime is 140624146427. The reversal of 140624146426 is 624641426041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624641426041 = 10163 ⋅61462307.

It can be written as a sum of positive squares in only one way, i.e., 115358726025 + 25265420401 = 339645^2 + 158951^2 .

It is not an unprimeable number, because it can be changed into a prime (140624146427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35156036605 + ... + 35156036608.

Almost surely, 2^140624146426 is an apocalyptic number.

140624146426 is a deficient number, since it is larger than the sum of its proper divisors (70312073216).

140624146426 is an equidigital number, since it uses as much as digits as its factorization.

140624146426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70312073215.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 140624146426 in words is "one hundred forty billion, six hundred twenty-four million, one hundred forty-six thousand, four hundred twenty-six".