140961386890 has 16 divisors (see below), whose sum is σ = 253922594760. Its totient is φ = 56341866240.

The previous prime is 140961386861. The next prime is 140961386911. The reversal of 140961386890 is 98683169041.

It can be written as a sum of positive squares in 4 ways, for example, as 125244502201 + 15716884689 = 353899^2 + 125367^2 .

It is a super-2 number, since 2×140961386890² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5322195 + ... + 5348614.

Almost surely, 2^140961386890 is an apocalyptic number.

140961386890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140961386890 is a deficient number, since it is larger than the sum of its proper divisors (112961207870).

140961386890 is a wasteful number, since it uses less digits than its factorization.

140961386890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10672137.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 140961386890 in words is "one hundred forty billion, nine hundred sixty-one million, three hundred eighty-six thousand, eight hundred ninety".