139895453 has 16 divisors (see below), whose sum is σ = 150405120. Its totient is φ = 129807216.

The previous prime is 139895447. The next prime is 139895513. The reversal of 139895453 is 354598931.

It is not a de Polignac number, because 139895453 - 2⁶ = 139895389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139895398 and 139895407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139895153) 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 15 ways as a sum of consecutive naturals, for example, 136778 + ... + 137796.

It is an arithmetic number, because the mean of its divisors is an integer number (9400320).

Almost surely, 2^139895453 is an apocalyptic number.

It is an amenable number.

139895453 is a deficient number, since it is larger than the sum of its proper divisors (10509667).

139895453 is a wasteful number, since it uses less digits than its factorization.

139895453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its digits is 583200, while the sum is 47.

The square root of 139895453 is about 11827.7408240120. The cubic root of 139895453 is about 519.1201256931.

The spelling of 139895453 in words is "one hundred thirty-nine million, eight hundred ninety-five thousand, four hundred fifty-three".