139040150 has 24 divisors (see below), whose sum is σ = 259574160. Its totient is φ = 55409760.

The previous prime is 139040149. The next prime is 139040159. The reversal of 139040150 is 51040931.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139040159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8831 + ... + 18869.

It is an arithmetic number, because the mean of its divisors is an integer number (10815590).

Almost surely, 2^139040150 is an apocalyptic number.

139040150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139040150 is a deficient number, since it is larger than the sum of its proper divisors (120534010).

139040150 is a wasteful number, since it uses less digits than its factorization.

139040150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 139040150 is about 11791.5287388871. The cubic root of 139040150 is about 518.0600174939.

The spelling of 139040150 in words is "one hundred thirty-nine million, forty thousand, one hundred fifty".