139041612 has 18 divisors (see below), whose sum is σ = 351466388. Its totient is φ = 46347192.

The previous prime is 139041611. The next prime is 139041629. The reversal of 139041612 is 216140931.

139041612 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 41 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (139041611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1931098 + ... + 1931169.

Almost surely, 2^139041612 is an apocalyptic number.

139041612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139041612 is an abundant number, since it is smaller than the sum of its proper divisors (212424776).

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

139041612 is a wasteful number, since it uses less digits than its factorization.

139041612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862277 (or 3862272 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 139041612 is about 11791.5907323821. The cubic root of 139041612 is about 518.0618332790.

The spelling of 139041612 in words is "one hundred thirty-nine million, forty-one thousand, six hundred twelve".