139293355 has 8 divisors (see below), whose sum is σ = 167490000. Its totient is φ = 111209376.

The previous prime is 139293347. The next prime is 139293361. The reversal of 139293355 is 553392931.

139293355 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 cyclic number.

It is not a de Polignac number, because 139293355 - 2³ = 139293347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25420 + ... + 30409.

It is an arithmetic number, because the mean of its divisors is an integer number (20936250).

Almost surely, 2^139293355 is an apocalyptic number.

139293355 is a deficient number, since it is larger than the sum of its proper divisors (28196645).

139293355 is an equidigital number, since it uses as much as digits as its factorization.

139293355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56333.

The product of its digits is 109350, while the sum is 40.

The square root of 139293355 is about 11802.2605885483. The cubic root of 139293355 is about 518.3743052247.

The spelling of 139293355 in words is "one hundred thirty-nine million, two hundred ninety-three thousand, three hundred fifty-five".