1139506414957 has 4 divisors (see below), whose sum is σ = 1143940292316. Its totient is φ = 1135072537600.

The previous prime is 1139506414927. The next prime is 1139506414997. The reversal of 1139506414957 is 7594146059311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777167428041 + 362338986916 = 881571^2 + 601946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139506414957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1139506414898 and 1139506414907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139506414927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216938294 + ... + 2216938807.

It is an arithmetic number, because the mean of its divisors is an integer number (285985073079).

Almost surely, 2^{1139506414957} is an apocalyptic number.

It is an amenable number.

1139506414957 is a deficient number, since it is larger than the sum of its proper divisors (4433877359).

1139506414957 is an equidigital number, since it uses as much as digits as its factorization.

1139506414957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433877358.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 1139506414957 in words is "one trillion, one hundred thirty-nine billion, five hundred six million, four hundred fourteen thousand, nine hundred fifty-seven".