140015263890 has 32 divisors (see below), whose sum is σ = 336069077760. Its totient is φ = 37333798784.

The previous prime is 140015263867. The next prime is 140015263897. The reversal of 140015263890 is 98362510041.

It is not an unprimeable number, because it can be changed into a prime (140015263897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98206 + ... + 538214.

It is an arithmetic number, because the mean of its divisors is an integer number (10502158680).

Almost surely, 2^140015263890 is an apocalyptic number.

140015263890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140015263890 is an abundant number, since it is smaller than the sum of its proper divisors (196053813870).

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

140015263890 is a wasteful number, since it uses less digits than its factorization.

140015263890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450626.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 140015263890 in words is "one hundred forty billion, fifteen million, two hundred sixty-three thousand, eight hundred ninety".