1373370540 has 48 divisors (see below), whose sum is σ = 4047832320. Its totient is φ = 346956480.

The previous prime is 1373370529. The next prime is 1373370541. The reversal of 1373370540 is 450733731.

It is a happy number.

It is a super-2 number, since 2×1373370540² = 3772293280279783200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1373370541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601216 + ... + 603495.

It is an arithmetic number, because the mean of its divisors is an integer number (84329840).

Almost surely, 2^1373370540 is an apocalyptic number.

1373370540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373370540 is an abundant number, since it is smaller than the sum of its proper divisors (2674461780).

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

1373370540 is a wasteful number, since it uses less digits than its factorization.

1373370540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204742 (or 1204740 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 1373370540 is about 37059.0142880244. The cubic root of 1373370540 is about 1111.5506126724.

The spelling of 1373370540 in words is "one billion, three hundred seventy-three million, three hundred seventy thousand, five hundred forty".