1373354928 has 120 divisors (see below), whose sum is σ = 4439622096. Its totient is φ = 391680000.

The previous prime is 1373354923. The next prime is 1373354959. The reversal of 1373354928 is 8294533731.

1373354928 is a `hidden beast` number, since 13 + 73 + 3 + 549 + 28 = 666.

It is a super-2 number, since 2×1373354928² = 3772207516523770368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1373354923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1428 + ... + 52428.

Almost surely, 2^1373354928 is an apocalyptic number.

1373354928 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 1373354928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219811048).

1373354928 is an abundant number, since it is smaller than the sum of its proper divisors (3066267168).

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

1373354928 is a wasteful number, since it uses less digits than its factorization.

1373354928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51043 (or 51034 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1373354928 is about 37058.8036504148. The cubic root of 1373354928 is about 1111.5464007491.

The spelling of 1373354928 in words is "one billion, three hundred seventy-three million, three hundred fifty-four thousand, nine hundred twenty-eight".