139134308 has 6 divisors (see below), whose sum is σ = 243485046. Its totient is φ = 69567152.

The previous prime is 139134253. The next prime is 139134353. The reversal of 139134308 is 803431931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 106048804 + 33085504 = 10298^2 + 5752^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17391785 + ... + 17391792.

It is an arithmetic number, because the mean of its divisors is an integer number (40580841).

Almost surely, 2^139134308 is an apocalyptic number.

It is an amenable number.

139134308 is a deficient number, since it is larger than the sum of its proper divisors (104350738).

139134308 is a wasteful number, since it uses less digits than its factorization.

139134308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34783581 (or 34783579 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 139134308 is about 11795.5206752394. The cubic root of 139134308 is about 518.1769345334.

The spelling of 139134308 in words is "one hundred thirty-nine million, one hundred thirty-four thousand, three hundred eight".