140153801946 has 8 divisors (see below), whose sum is σ = 280307603904. Its totient is φ = 46717933980.

The previous prime is 140153801939. The next prime is 140153801951. The reversal of 140153801946 is 649108351041.

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

140153801946 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140153801898 and 140153801907.

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, 11679483490 + ... + 11679483501.

It is an arithmetic number, because the mean of its divisors is an integer number (35038450488).

Almost surely, 2^140153801946 is an apocalyptic number.

140153801946 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.

140153801946 is a wasteful number, since it uses less digits than its factorization.

140153801946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23358966996.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 140153801946 in words is "one hundred forty billion, one hundred fifty-three million, eight hundred one thousand, nine hundred forty-six".