139743710 has 16 divisors (see below), whose sum is σ = 253766736. Its totient is φ = 55402368.

The previous prime is 139743677. The next prime is 139743719. The reversal of 139743710 is 17347931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139743719) 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 7 ways as a sum of consecutive naturals, for example, 60704 + ... + 62963.

It is an arithmetic number, because the mean of its divisors is an integer number (15860421).

Almost surely, 2^139743710 is an apocalyptic number.

139743710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139743710 is a deficient number, since it is larger than the sum of its proper divisors (114023026).

139743710 is a wasteful number, since it uses less digits than its factorization.

139743710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123787.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 139743710 is about 11821.3243758895. The cubic root of 139743710 is about 518.9323632318.

The spelling of 139743710 in words is "one hundred thirty-nine million, seven hundred forty-three thousand, seven hundred ten".