138050761 has 16 divisors (see below), whose sum is σ = 153062784. Its totient is φ = 123844864.

The previous prime is 138050729. The next prime is 138050791. The reversal of 138050761 is 167050831.

138050761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138050761 - 2⁵ = 138050729 is a prime.

It is a super-2 number, since 2×138050761² = 38116025225358242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138050791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172815 + ... + 173611.

It is an arithmetic number, because the mean of its divisors is an integer number (9566424).

Almost surely, 2^138050761 is an apocalyptic number.

It is an amenable number.

138050761 is a deficient number, since it is larger than the sum of its proper divisors (15012023).

138050761 is a wasteful number, since it uses less digits than its factorization.

138050761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 138050761 is about 11749.5004574663. The cubic root of 138050761 is about 516.8282785908.

The spelling of 138050761 in words is "one hundred thirty-eight million, fifty thousand, seven hundred sixty-one".