1335555690 has 32 divisors (see below), whose sum is σ = 3663239040. Its totient is φ = 305269824.

The previous prime is 1335555673. The next prime is 1335555707. The reversal of 1335555690 is 965555331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1335555673) and next prime (1335555707).

It is a super-2 number, since 2×1335555690² = 3567418002182752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179685 + ... + 3180104.

It is an arithmetic number, because the mean of its divisors is an integer number (114476220).

Almost surely, 2^1335555690 is an apocalyptic number.

1335555690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1335555690 is an abundant number, since it is smaller than the sum of its proper divisors (2327683350).

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

1335555690 is a wasteful number, since it uses less digits than its factorization.

1335555690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359806.

The product of its (nonzero) digits is 303750, while the sum is 42.

The square root of 1335555690 is about 36545.2553691994. The cubic root of 1335555690 is about 1101.2535818698.

The spelling of 1335555690 in words is "one billion, three hundred thirty-five million, five hundred fifty-five thousand, six hundred ninety".