139143048 has 32 divisors (see below), whose sum is σ = 379481760. Its totient is φ = 42164480.

The previous prime is 139143041. The next prime is 139143049. The reversal of 139143048 is 840341931.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (139143041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263265 + ... + 263792.

It is an arithmetic number, because the mean of its divisors is an integer number (11858805).

Almost surely, 2^139143048 is an apocalyptic number.

It is an amenable number.

139143048 is an abundant number, since it is smaller than the sum of its proper divisors (240338712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139143048 is a wasteful number, since it uses less digits than its factorization.

139143048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527077 (or 527073 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 139143048 is about 11795.8911490400. The cubic root of 139143048 is about 518.1877844132.

Adding to 139143048 its reverse (840341931), we get a palindrome (979484979).

The spelling of 139143048 in words is "one hundred thirty-nine million, one hundred forty-three thousand, forty-eight".