139490753469 has 16 divisors (see below), whose sum is σ = 187846659840. Its totient is φ = 92064513600.

The previous prime is 139490753461. The next prime is 139490753513. The reversal of 139490753469 is 964357094931.

It is a happy number.

It is not a de Polignac number, because 139490753469 - 2³ = 139490753461 is a prime.

It is a super-2 number, since 2×139490753469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139490753461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6203004 + ... + 6225450.

It is an arithmetic number, because the mean of its divisors is an integer number (11740416240).

Almost surely, 2^139490753469 is an apocalyptic number.

It is an amenable number.

139490753469 is a deficient number, since it is larger than the sum of its proper divisors (48355906371).

139490753469 is a wasteful number, since it uses less digits than its factorization.

139490753469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43060.

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 139490753469 in words is "one hundred thirty-nine billion, four hundred ninety million, seven hundred fifty-three thousand, four hundred sixty-nine".