139072248 has 256 divisors, whose sum is σ = 479232000. Its totient is φ = 36484992.

The previous prime is 139072207. The next prime is 139072249. The reversal of 139072248 is 842270931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139072249) 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 63 ways as a sum of consecutive naturals, for example, 1350165 + ... + 1350267.

It is an arithmetic number, because the mean of its divisors is an integer number (1872000).

Almost surely, 2^139072248 is an apocalyptic number.

139072248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139072248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239616000).

139072248 is an abundant number, since it is smaller than the sum of its proper divisors (340159752).

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

139072248 is a wasteful number, since it uses less digits than its factorization.

139072248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 139072248 is about 11792.8897222013. The cubic root of 139072248 is about 518.0998798670.

The spelling of 139072248 in words is "one hundred thirty-nine million, seventy-two thousand, two hundred forty-eight".