140435210643226 has 4 divisors (see below), whose sum is σ = 210652815964842. Its totient is φ = 70217605321612.

The previous prime is 140435210643179. The next prime is 140435210643263. The reversal of 140435210643226 is 622346012534041.

140435210643226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 115188595434025 + 25246615209201 = 10732595^2 + 5024601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108802660805 + ... + 35108802660808.

Almost surely, 2^{140435210643226} is an apocalyptic number.

140435210643226 is a deficient number, since it is larger than the sum of its proper divisors (70217605321616).

140435210643226 is an equidigital number, since it uses as much as digits as its factorization.

140435210643226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70217605321615.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 140435210643226 in words is "one hundred forty trillion, four hundred thirty-five billion, two hundred ten million, six hundred forty-three thousand, two hundred twenty-six".