139784003953 has 8 divisors (see below), whose sum is σ = 152508826080. Its totient is φ = 127062046080.

The previous prime is 139784003911. The next prime is 139784003959. The reversal of 139784003953 is 359300487931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139784003953 is a prime.

It is a super-2 number, since 2×139784003953² (a number of 23 digits) 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 139784003953.

It is not an unprimeable number, because it can be changed into a prime (139784003959) 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, 613375 + ... + 809812.

It is an arithmetic number, because the mean of its divisors is an integer number (19063603260).

Almost surely, 2^139784003953 is an apocalyptic number.

It is an amenable number.

139784003953 is a deficient number, since it is larger than the sum of its proper divisors (12724822127).

139784003953 is a wasteful number, since it uses less digits than its factorization.

139784003953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432127.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 139784003953 in words is "one hundred thirty-nine billion, seven hundred eighty-four million, three thousand, nine hundred fifty-three".