1376725248 has 144 divisors (see below), whose sum is σ = 4123156800. Its totient is φ = 458721792.

The previous prime is 1376725201. The next prime is 1376725261. The reversal of 1376725248 is 8425276731.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558643 + ... + 561101.

Almost surely, 2^1376725248 is an apocalyptic number.

1376725248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376725248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061578400).

1376725248 is an abundant number, since it is smaller than the sum of its proper divisors (2746431552).

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

1376725248 is an frugal number, since it uses more digits than its factorization.

1376725248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 2464 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1376725248 is about 37104.2483820923. The cubic root of 1376725248 is about 1112.4549317769.

The spelling of 1376725248 in words is "one billion, three hundred seventy-six million, seven hundred twenty-five thousand, two hundred forty-eight".