139730118 has 32 divisors (see below), whose sum is σ = 305983872. Its totient is φ = 42187200.

The previous prime is 139730117. The next prime is 139730119. The reversal of 139730118 is 811037931.

It is an interprime number because it is at equal distance from previous prime (139730117) and next prime (139730119).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139730111) 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 15 ways as a sum of consecutive naturals, for example, 14938 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (9561996).

Almost surely, 2^139730118 is an apocalyptic number.

139730118 is an abundant number, since it is smaller than the sum of its proper divisors (166253754).

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

139730118 is a wasteful number, since it uses less digits than its factorization.

139730118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 139730118 is about 11820.7494686251. The cubic root of 139730118 is about 518.9155382471.

The spelling of 139730118 in words is "one hundred thirty-nine million, seven hundred thirty thousand, one hundred eighteen".