1395497700 has 144 divisors (see below), whose sum is σ = 4750320960. Its totient is φ = 350231040.

The previous prime is 1395497639. The next prime is 1395497707. The reversal of 1395497700 is 77945931.

1395497700 is a `hidden beast` number, since 1 + 3 + 95 + 497 + 70 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1395497707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30699 + ... + 61101.

It is an arithmetic number, because the mean of its divisors is an integer number (32988340).

Almost surely, 2^1395497700 is an apocalyptic number.

1395497700 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 1395497700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375160480).

1395497700 is an abundant number, since it is smaller than the sum of its proper divisors (3354823260).

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

1395497700 is a wasteful number, since it uses less digits than its factorization.

1395497700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30443 (or 30430 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 1395497700 is about 37356.3609041352. The cubic root of 1395497700 is about 1117.4884463469.

The spelling of 1395497700 in words is "one billion, three hundred ninety-five million, four hundred ninety-seven thousand, seven hundred".