138277036 has 6 divisors (see below), whose sum is σ = 241984820. Its totient is φ = 69138516.

The previous prime is 138277033. The next prime is 138277039. The reversal of 138277036 is 630772831.

138277036 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138277033) and next prime (138277039).

It is a junction number, because it is equal to n+sod(n) for n = 138276986 and 138277004.

It is not an unprimeable number, because it can be changed into a prime (138277033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17284626 + ... + 17284633.

Almost surely, 2^138277036 is an apocalyptic number.

It is an amenable number.

138277036 is a deficient number, since it is larger than the sum of its proper divisors (103707784).

138277036 is a wasteful number, since it uses less digits than its factorization.

138277036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34569263 (or 34569261 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 138277036 is about 11759.1256477682. The cubic root of 138277036 is about 517.1104972040.

The spelling of 138277036 in words is "one hundred thirty-eight million, two hundred seventy-seven thousand, thirty-six".