1355401330 has 48 divisors (see below), whose sum is σ = 2640875400. Its totient is φ = 500584448.

The previous prime is 1355401291. The next prime is 1355401331. The reversal of 1355401330 is 331045531.

It can be written as a sum of positive squares in 12 ways, for example, as 169494361 + 1185906969 = 13019^2 + 34437^2 .

It is a super-2 number, since 2×1355401330² = 3674225530731537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355401295 and 1355401304.

It is not an unprimeable number, because it can be changed into a prime (1355401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148746 + ... + 157594.

Almost surely, 2^1355401330 is an apocalyptic number.

1355401330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355401330 is a deficient number, since it is larger than the sum of its proper divisors (1285474070).

1355401330 is a wasteful number, since it uses less digits than its factorization.

1355401330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943 (or 8926 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1355401330 is about 36815.7755588552. The cubic root of 1355401330 is about 1106.6814637100.

Adding to 1355401330 its reverse (331045531), we get a palindrome (1686446861).

The spelling of 1355401330 in words is "one billion, three hundred fifty-five million, four hundred one thousand, three hundred thirty".