1353432690 has 48 divisors (see below), whose sum is σ = 3524772888. Its totient is φ = 360315648.

The previous prime is 1353432671. The next prime is 1353432733. The reversal of 1353432690 is 962343531.

It is a happy number.

1353432690 is a `hidden beast` number, since 1 + 3 + 534 + 32 + 6 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 569824641 + 783608049 = 23871^2 + 27993^2 .

It is a super-2 number, since 2×1353432690² = 3663560092721272200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43344 + ... + 67716.

Almost surely, 2^1353432690 is an apocalyptic number.

1353432690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353432690 is an abundant number, since it is smaller than the sum of its proper divisors (2171340198).

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

1353432690 is a wasteful number, since it uses less digits than its factorization.

1353432690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 25000 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 1353432690 is about 36789.0294789085. The cubic root of 1353432690 is about 1106.1454077118.

The spelling of 1353432690 in words is "one billion, three hundred fifty-three million, four hundred thirty-two thousand, six hundred ninety".