1376275494 has 64 divisors (see below), whose sum is σ = 3210554880. Its totient is φ = 388677120.

The previous prime is 1376275493. The next prime is 1376275499. The reversal of 1376275494 is 4945726731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376275493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109612 + ... + 121520.

It is an arithmetic number, because the mean of its divisors is an integer number (50164920).

Almost surely, 2^1376275494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376275494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605277440).

1376275494 is an abundant number, since it is smaller than the sum of its proper divisors (1834279386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1376275494 is a wasteful number, since it uses less digits than its factorization.

1376275494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045.

The product of its digits is 1270080, while the sum is 48.

The square root of 1376275494 is about 37098.1872063852. The cubic root of 1376275494 is about 1112.3337782039. Note that the first 3 decimals are identical.

The spelling of 1376275494 in words is "one billion, three hundred seventy-six million, two hundred seventy-five thousand, four hundred ninety-four".