138429153 has 12 divisors (see below), whose sum is σ = 200550948. Its totient is φ = 92010240.

The previous prime is 138429149. The next prime is 138429199. The reversal of 138429153 is 351924831.

It can be written as a sum of positive squares in 2 ways, for example, as 50594769 + 87834384 = 7113^2 + 9372^2 .

It is not a de Polignac number, because 138429153 - 2² = 138429149 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (138429133) 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, 19788 + ... + 25853.

It is an arithmetic number, because the mean of its divisors is an integer number (16712579).

Almost surely, 2^138429153 is an apocalyptic number.

It is an amenable number.

138429153 is a deficient number, since it is larger than the sum of its proper divisors (62121795).

138429153 is a wasteful number, since it uses less digits than its factorization.

138429153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45984 (or 45981 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 138429153 is about 11765.5919103120. The cubic root of 138429153 is about 517.3000501783.

The spelling of 138429153 in words is "one hundred thirty-eight million, four hundred twenty-nine thousand, one hundred fifty-three".