1389269700 has 216 divisors, whose sum is σ = 5359809728. Its totient is φ = 293103360.

The previous prime is 1389269677. The next prime is 1389269719. The reversal of 1389269700 is 79629831.

1389269700 is a `hidden beast` number, since 1 + 389 + 269 + 7 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 73419 + ... + 90381.

Almost surely, 2^1389269700 is an apocalyptic number.

1389269700 is a gapful number since it is divisible by the number (10) 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 1389269700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679904864).

1389269700 is an abundant number, since it is smaller than the sum of its proper divisors (3970540028).

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

1389269700 is a wasteful number, since it uses less digits than its factorization.

1389269700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003 (or 16993 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1389269700 is about 37272.9083920211. The cubic root of 1389269700 is about 1115.8235451543.

The spelling of 1389269700 in words is "one billion, three hundred eighty-nine million, two hundred sixty-nine thousand, seven hundred".