138007150 has 12 divisors (see below), whose sum is σ = 256693392. Its totient is φ = 55202840.

The previous prime is 138007109. The next prime is 138007187. The reversal of 138007150 is 51700831.

138007150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138007150² = 38091946902245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1380022 + ... + 1380121.

It is an arithmetic number, because the mean of its divisors is an integer number (21391116).

Almost surely, 2^138007150 is an apocalyptic number.

138007150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138007150 is a deficient number, since it is larger than the sum of its proper divisors (118686242).

138007150 is a wasteful number, since it uses less digits than its factorization.

138007150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760155 (or 2760150 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 138007150 is about 11747.6444447387. The cubic root of 138007150 is about 516.7738498871.

Adding to 138007150 its reverse (51700831), we get a palindrome (189707981).

The spelling of 138007150 in words is "one hundred thirty-eight million, seven thousand, one hundred fifty".