1395531008 has 18 divisors (see below), whose sum is σ = 2785611234. Its totient is φ = 697765376.

The previous prime is 1395530993. The next prime is 1395531013. The reversal of 1395531008 is 8001355931.

It can be written as a sum of positive squares in only one way, i.e., 892336384 + 503194624 = 29872^2 + 22432^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725391 + ... + 2725902.

Almost surely, 2^1395531008 is an apocalyptic number.

It is an amenable number.

1395531008 is a deficient number, since it is larger than the sum of its proper divisors (1390080226).

1395531008 is an frugal number, since it uses more digits than its factorization.

1395531008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451309 (or 5451295 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1395531008 is about 37356.8067157780. The cubic root of 1395531008 is about 1117.4973370839.

Adding to 1395531008 its reverse (8001355931), we get a palindrome (9396886939).

The spelling of 1395531008 in words is "one billion, three hundred ninety-five million, five hundred thirty-one thousand, eight".