139772853650 has 24 divisors (see below), whose sum is σ = 259993797204. Its totient is φ = 55905638400.

The previous prime is 139772853643. The next prime is 139772853659. The reversal of 139772853650 is 56358277931.

It can be written as a sum of positive squares in 6 ways, for example, as 30088024681 + 109684828969 = 173459^2 + 331187^2 .

It is not an unprimeable number, because it can be changed into a prime (139772853659) 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 11 ways as a sum of consecutive naturals, for example, 809354 + ... + 966746.

Almost surely, 2^139772853650 is an apocalyptic number.

139772853650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139772853650 is a deficient number, since it is larger than the sum of its proper divisors (120220943554).

139772853650 is a wasteful number, since it uses less digits than its factorization.

139772853650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175166 (or 175161 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 139772853650 in words is "one hundred thirty-nine billion, seven hundred seventy-two million, eight hundred fifty-three thousand, six hundred fifty".