138770714650 has 24 divisors (see below), whose sum is σ = 258726664764. Its totient is φ = 55376428800.

The previous prime is 138770714581. The next prime is 138770714681. The reversal of 138770714650 is 56417077831.

It can be written as a sum of positive squares in 6 ways, for example, as 2341688881 + 136429025769 = 48391^2 + 369363^2 .

It is a super-2 number, since 2×138770714650² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138770714594 and 138770714603.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3275167 + ... + 3317266.

Almost surely, 2^138770714650 is an apocalyptic number.

138770714650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138770714650 is a deficient number, since it is larger than the sum of its proper divisors (119955950114).

138770714650 is a wasteful number, since it uses less digits than its factorization.

138770714650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592866 (or 6592861 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 138770714650 in words is "one hundred thirty-eight billion, seven hundred seventy million, seven hundred fourteen thousand, six hundred fifty".