1376402461 has 4 divisors (see below), whose sum is σ = 1573031392. Its totient is φ = 1179773532.

The previous prime is 1376402441. The next prime is 1376402491. The reversal of 1376402461 is 1642046731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1376402461 - 2⁵ = 1376402429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376402441) 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 3 ways as a sum of consecutive naturals, for example, 98314455 + ... + 98314468.

It is an arithmetic number, because the mean of its divisors is an integer number (393257848).

Almost surely, 2^1376402461 is an apocalyptic number.

It is an amenable number.

1376402461 is a deficient number, since it is larger than the sum of its proper divisors (196628931).

1376402461 is an equidigital number, since it uses as much as digits as its factorization.

1376402461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196628930.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1376402461 is about 37099.8983960873. The cubic root of 1376402461 is about 1112.3679829206.

The spelling of 1376402461 in words is "one billion, three hundred seventy-six million, four hundred two thousand, four hundred sixty-one".