1369145250 has 288 divisors, whose sum is σ = 4194747648. Its totient is φ = 321816000.

The previous prime is 1369145233. The next prime is 1369145251. The reversal of 1369145250 is 525419631.

1369145250 is a `hidden beast` number, since 1 + 369 + 1 + 45 + 250 = 666.

It is not an unprimeable number, because it can be changed into a prime (1369145251) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12795697 + ... + 12795803.

It is an arithmetic number, because the mean of its divisors is an integer number (14565096).

Almost surely, 2^1369145250 is an apocalyptic number.

1369145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097373824).

1369145250 is an abundant number, since it is smaller than the sum of its proper divisors (2825602398).

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

1369145250 is a wasteful number, since it uses less digits than its factorization.

1369145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1369145250 is about 37001.9627857766. The cubic root of 1369145250 is about 1110.4095153210.

The spelling of 1369145250 in words is "one billion, three hundred sixty-nine million, one hundred forty-five thousand, two hundred fifty".