140147387209446 has 8 divisors (see below), whose sum is σ = 280294774418904. Its totient is φ = 46715795736480.

The previous prime is 140147387209421. The next prime is 140147387209513. The reversal of 140147387209446 is 644902783741041.

It is a sphenic number, since it is the product of 3 distinct primes.

140147387209446 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 140147387209446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11678948934115 + ... + 11678948934126.

It is an arithmetic number, because the mean of its divisors is an integer number (35036846802363).

Almost surely, 2^{140147387209446} is an apocalyptic number.

140147387209446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140147387209446 is a wasteful number, since it uses less digits than its factorization.

140147387209446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357897868246.

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 140147387209446 in words is "one hundred forty trillion, one hundred forty-seven billion, three hundred eighty-seven million, two hundred nine thousand, four hundred forty-six".