139740970 has 16 divisors (see below), whose sum is σ = 257384160. Its totient is φ = 54596304.

The previous prime is 139740949. The next prime is 139740983. The reversal of 139740970 is 79047931.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 162060 + ... + 162919.

It is an arithmetic number, because the mean of its divisors is an integer number (16086510).

Almost surely, 2^139740970 is an apocalyptic number.

139740970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139740970 is a deficient number, since it is larger than the sum of its proper divisors (117643190).

139740970 is a wasteful number, since it uses less digits than its factorization.

139740970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325029.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 139740970 is about 11821.2084830613. The cubic root of 139740970 is about 518.9289715849.

The spelling of 139740970 in words is "one hundred thirty-nine million, seven hundred forty thousand, nine hundred seventy".