140320605454620 has 48 divisors (see below), whose sum is σ = 392901924004128. Its totient is φ = 37418425384960.

The previous prime is 140320605454619. The next prime is 140320605454643. The reversal of 140320605454620 is 26454506023041.

It is a happy number.

It is a super-2 number, since 2×140320605454620² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943461 + ... + 18134300.

It is an arithmetic number, because the mean of its divisors is an integer number (8185456750086).

Almost surely, 2^{140320605454620} is an apocalyptic number.

140320605454620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140320605454620 is an abundant number, since it is smaller than the sum of its proper divisors (252581318549508).

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

140320605454620 is a wasteful number, since it uses less digits than its factorization.

140320605454620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25171030 (or 25171028 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 140320605454620 in words is "one hundred forty trillion, three hundred twenty billion, six hundred five million, four hundred fifty-four thousand, six hundred twenty".