140663958258 has 64 divisors (see below), whose sum is σ = 285551973504. Its totient is φ = 46189440000.

The previous prime is 140663958241. The next prime is 140663958283. The reversal of 140663958258 is 852859366041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140663958198 and 140663958207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173444673 + ... + 173445483.

It is an arithmetic number, because the mean of its divisors is an integer number (4461749586).

Almost surely, 2^140663958258 is an apocalyptic number.

140663958258 is an abundant number, since it is smaller than the sum of its proper divisors (144888015246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140663958258 is a wasteful number, since it uses less digits than its factorization.

140663958258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 140663958258 in words is "one hundred forty billion, six hundred sixty-three million, nine hundred fifty-eight thousand, two hundred fifty-eight".