139252053 has 8 divisors (see below), whose sum is σ = 190687648. Its totient is φ = 90325584.

The previous prime is 139252037. The next prime is 139252073. The reversal of 139252053 is 350252931.

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

It is not a de Polignac number, because 139252053 - 2⁴ = 139252037 is a prime.

It is a super-2 number, since 2×139252053² = 38782268529429618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139252053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139252073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627151 + ... + 627372.

It is an arithmetic number, because the mean of its divisors is an integer number (23835956).

Almost surely, 2^139252053 is an apocalyptic number.

It is an amenable number.

139252053 is a deficient number, since it is larger than the sum of its proper divisors (51435595).

139252053 is a wasteful number, since it uses less digits than its factorization.

139252053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254563.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 139252053 is about 11800.5107092871. The cubic root of 139252053 is about 518.3230656136.

The spelling of 139252053 in words is "one hundred thirty-nine million, two hundred fifty-two thousand, fifty-three".