139914895 has 4 divisors (see below), whose sum is σ = 167897880. Its totient is φ = 111931912.

The previous prime is 139914889. The next prime is 139914923. The reversal of 139914895 is 598419931.

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

It is a cyclic number.

It is not a de Polignac number, because 139914895 - 2¹⁹ = 139390607 is a prime.

It is a super-2 number, since 2×139914895² = 39152355685722050, which contains 22 as substring.

It is a congruent number.

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, 13991485 + ... + 13991494.

It is an arithmetic number, because the mean of its divisors is an integer number (41974470).

Almost surely, 2^139914895 is an apocalyptic number.

139914895 is a deficient number, since it is larger than the sum of its proper divisors (27982985).

139914895 is an equidigital number, since it uses as much as digits as its factorization.

139914895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27982984.

The product of its digits is 349920, while the sum is 49.

The square root of 139914895 is about 11828.5626768429. The cubic root of 139914895 is about 519.1441728554.

The spelling of 139914895 in words is "one hundred thirty-nine million, nine hundred fourteen thousand, eight hundred ninety-five".