139795706 has 4 divisors (see below), whose sum is σ = 209693562. Its totient is φ = 69897852.

The previous prime is 139795687. The next prime is 139795723. The reversal of 139795706 is 607597931.

It is a happy number.

139795706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131905225 + 7890481 = 11485^2 + 2809^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34948925 + ... + 34948928.

Almost surely, 2^139795706 is an apocalyptic number.

139795706 is a deficient number, since it is larger than the sum of its proper divisors (69897856).

139795706 is an equidigital number, since it uses as much as digits as its factorization.

139795706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69897855.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 139795706 is about 11823.5234173236. The cubic root of 139795706 is about 518.9967169006.

The spelling of 139795706 in words is "one hundred thirty-nine million, seven hundred ninety-five thousand, seven hundred six".