140997141990 has 128 divisors (see below), whose sum is σ = 395968435200. Its totient is φ = 35603504640.

The previous prime is 140997141947. The next prime is 140997141997. The reversal of 140997141990 is 99141799041.

140997141990 is a `hidden beast` number, since 1 + 409 + 9 + 7 + 141 + 9 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140997141997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13656030 + ... + 13666350.

It is an arithmetic number, because the mean of its divisors is an integer number (3093503400).

Almost surely, 2^140997141990 is an apocalyptic number.

140997141990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140997141990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197984217600).

140997141990 is an abundant number, since it is smaller than the sum of its proper divisors (254971293210).

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

140997141990 is a wasteful number, since it uses less digits than its factorization.

140997141990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019 (or 13013 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 140997141990 in words is "one hundred forty billion, nine hundred ninety-seven million, one hundred forty-one thousand, nine hundred ninety".