139269146 has 8 divisors (see below), whose sum is σ = 212444640. Its totient is φ = 68454268.

The previous prime is 139269139. The next prime is 139269157. The reversal of 139269146 is 641962931.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590006 + ... + 590241.

It is an arithmetic number, because the mean of its divisors is an integer number (26555580).

Almost surely, 2^139269146 is an apocalyptic number.

139269146 is a deficient number, since it is larger than the sum of its proper divisors (73175494).

139269146 is a wasteful number, since it uses less digits than its factorization.

139269146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180308.

The product of its digits is 69984, while the sum is 41.

The square root of 139269146 is about 11801.2349353786. The cubic root of 139269146 is about 518.3442725629.

The spelling of 139269146 in words is "one hundred thirty-nine million, two hundred sixty-nine thousand, one hundred forty-six".