139995053 has 8 divisors (see below), whose sum is σ = 152997120. Its totient is φ = 127038880.

The previous prime is 139995049. The next prime is 139995067. The reversal of 139995053 is 350599931.

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 139995053 - 2² = 139995049 is a prime.

It is a super-2 number, since 2×139995053² = 39197229728945618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139994995 and 139995013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139995073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 17442.

It is an arithmetic number, because the mean of its divisors is an integer number (19124640).

Almost surely, 2^139995053 is an apocalyptic number.

It is an amenable number.

139995053 is a deficient number, since it is larger than the sum of its proper divisors (13002067).

139995053 is a wasteful number, since it uses less digits than its factorization.

139995053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22947.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 139995053 is about 11831.9505154476. The cubic root of 139995053 is about 519.2432940968.

The spelling of 139995053 in words is "one hundred thirty-nine million, nine hundred ninety-five thousand, fifty-three".