140420546630 has 64 divisors (see below), whose sum is σ = 311235136128. Its totient is φ = 44419415040.

The previous prime is 140420546603. The next prime is 140420546723. The reversal of 140420546630 is 36645024041.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

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, 1912274 + ... + 1984346.

It is an arithmetic number, because the mean of its divisors is an integer number (4863049002).

Almost surely, 2^140420546630 is an apocalyptic number.

140420546630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140420546630 is an abundant number, since it is smaller than the sum of its proper divisors (170814589498).

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

140420546630 is a wasteful number, since it uses less digits than its factorization.

140420546630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74241.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 140420546630 in words is "one hundred forty billion, four hundred twenty million, five hundred forty-six thousand, six hundred thirty".