139670373 has 8 divisors (see below), whose sum is σ = 187875648. Its totient is φ = 92289344.

The previous prime is 139670371. The next prime is 139670383. The reversal of 139670373 is 373076931.

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

It is a cyclic number.

It is not a de Polignac number, because 139670373 - 2¹ = 139670371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139670371) 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, 205665 + ... + 206342.

It is an arithmetic number, because the mean of its divisors is an integer number (23484456).

Almost surely, 2^139670373 is an apocalyptic number.

It is an amenable number.

139670373 is a deficient number, since it is larger than the sum of its proper divisors (48205275).

139670373 is a wasteful number, since it uses less digits than its factorization.

139670373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412123.

The product of its (nonzero) digits is 71442, while the sum is 39.

The square root of 139670373 is about 11818.2220744070. Note that the first 3 decimals coincide. The cubic root of 139670373 is about 518.8415693968.

The spelling of 139670373 in words is "one hundred thirty-nine million, six hundred seventy thousand, three hundred seventy-three".