139747795 has 8 divisors (see below), whose sum is σ = 182942640. Its totient is φ = 101634720.

The previous prime is 139747759. The next prime is 139747801. The reversal of 139747795 is 597747931.

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

It is not a de Polignac number, because 139747795 - 2²⁵ = 106193363 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, 1270380 + ... + 1270489.

It is an arithmetic number, because the mean of its divisors is an integer number (22867830).

Almost surely, 2^139747795 is an apocalyptic number.

139747795 is a deficient number, since it is larger than the sum of its proper divisors (43194845).

139747795 is a wasteful number, since it uses less digits than its factorization.

139747795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540885.

The product of its digits is 1666980, while the sum is 52.

The square root of 139747795 is about 11821.4971556060. The cubic root of 139747795 is about 518.9374196742.

The spelling of 139747795 in words is "one hundred thirty-nine million, seven hundred forty-seven thousand, seven hundred ninety-five".