139841914 has 8 divisors (see below), whose sum is σ = 209924928. Its totient is φ = 69866940.

The previous prime is 139841887. The next prime is 139841917. The reversal of 139841914 is 419148931.

139841914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×139841914² = 39111521822366792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139841917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23692 + ... + 28999.

It is an arithmetic number, because the mean of its divisors is an integer number (26240616).

Almost surely, 2^139841914 is an apocalyptic number.

139841914 is a deficient number, since it is larger than the sum of its proper divisors (70083014).

139841914 is a wasteful number, since it uses less digits than its factorization.

139841914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54020.

The product of its digits is 31104, while the sum is 40.

The square root of 139841914 is about 11825.4773265184. The cubic root of 139841914 is about 519.0538935697.

The spelling of 139841914 in words is "one hundred thirty-nine million, eight hundred forty-one thousand, nine hundred fourteen".