140699770 has 8 divisors (see below), whose sum is σ = 253259604. Its totient is φ = 56279904.

The previous prime is 140699759. The next prime is 140699771. The reversal of 140699770 is 77996041.

It is a happy number.

140699770 is digitally balanced in base 3, 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 131354521 + 9345249 = 11461^2 + 3057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140699771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7034979 + ... + 7034998.

Almost surely, 2^140699770 is an apocalyptic number.

140699770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140699770 is a deficient number, since it is larger than the sum of its proper divisors (112559834).

140699770 is a wasteful number, since it uses less digits than its factorization.

140699770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069984.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 140699770 is about 11861.6933866965. The cubic root of 140699770 is about 520.1131040954.

The spelling of 140699770 in words is "one hundred forty million, six hundred ninety-nine thousand, seven hundred seventy".