139041650 has 48 divisors (see below), whose sum is σ = 285035328. Its totient is φ = 50040000.

The previous prime is 139041649. The next prime is 139041653. The reversal of 139041650 is 56140931.

It is not an unprimeable number, because it can be changed into a prime (139041653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54299 + ... + 56801.

It is an arithmetic number, because the mean of its divisors is an integer number (5938236).

Almost surely, 2^139041650 is an apocalyptic number.

139041650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139041650 is an abundant number, since it is smaller than the sum of its proper divisors (145993678).

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

139041650 is a wasteful number, since it uses less digits than its factorization.

139041650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 139041650 is about 11791.5923436998. The cubic root of 139041650 is about 518.0618804743.

The spelling of 139041650 in words is "one hundred thirty-nine million, forty-one thousand, six hundred fifty".