140995810 has 8 divisors (see below), whose sum is σ = 253792476. Its totient is φ = 56398320.

The previous prime is 140995793. The next prime is 140995823. The reversal of 140995810 is 18599041.

140995810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138368169 + 2627641 = 11763^2 + 1621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140995810² = 39759636875112200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140995810.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7049781 + ... + 7049800.

Almost surely, 2^140995810 is an apocalyptic number.

140995810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140995810 is a deficient number, since it is larger than the sum of its proper divisors (112796666).

140995810 is a wasteful number, since it uses less digits than its factorization.

140995810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14099588.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 140995810 is about 11874.1656548997. The cubic root of 140995810 is about 520.4776306787.

The spelling of 140995810 in words is "one hundred forty million, nine hundred ninety-five thousand, eight hundred ten".