140263655426 has 16 divisors (see below), whose sum is σ = 228613090560. Its totient is φ = 64297430640.

The previous prime is 140263655351. The next prime is 140263655503. The reversal of 140263655426 is 624556362041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59533481 + ... + 59535836.

It is an arithmetic number, because the mean of its divisors is an integer number (14288318160).

Almost surely, 2^140263655426 is an apocalyptic number.

140263655426 is a deficient number, since it is larger than the sum of its proper divisors (88349435134).

140263655426 is a wasteful number, since it uses less digits than its factorization.

140263655426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119069369.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 140263655426 in words is "one hundred forty billion, two hundred sixty-three million, six hundred fifty-five thousand, four hundred twenty-six".