1375025428 has 24 divisors (see below), whose sum is σ = 2801941632. Its totient is φ = 578177184.

The previous prime is 1375025423. The next prime is 1375025437. The reversal of 1375025428 is 8245205731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375025423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461800 + ... + 464767.

It is an arithmetic number, because the mean of its divisors is an integer number (116747568).

Almost surely, 2^1375025428 is an apocalyptic number.

It is an amenable number.

1375025428 is an abundant number, since it is smaller than the sum of its proper divisors (1426916204).

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

1375025428 is a wasteful number, since it uses less digits than its factorization.

1375025428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926631 (or 926629 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 1375025428 is about 37081.3353049752. The cubic root of 1375025428 is about 1111.9968999534.

The spelling of 1375025428 in words is "one billion, three hundred seventy-five million, twenty-five thousand, four hundred twenty-eight".