1137403261646 has 4 divisors (see below), whose sum is σ = 1706104892472. Its totient is φ = 568701630822.

The previous prime is 1137403261627. The next prime is 1137403261661. The reversal of 1137403261646 is 6461623047311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1137403261597 and 1137403261606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284350815410 + ... + 284350815413.

It is an arithmetic number, because the mean of its divisors is an integer number (426526223118).

Almost surely, 2^{1137403261646} is an apocalyptic number.

1137403261646 is a deficient number, since it is larger than the sum of its proper divisors (568701630826).

1137403261646 is an equidigital number, since it uses as much as digits as its factorization.

1137403261646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568701630825.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 1137403261646 in words is "one trillion, one hundred thirty-seven billion, four hundred three million, two hundred sixty-one thousand, six hundred forty-six".