1356405190 has 16 divisors (see below), whose sum is σ = 2790319392. Its totient is φ = 465053184.

The previous prime is 1356405187. The next prime is 1356405227. The reversal of 1356405190 is 915046531.

It is a super-2 number, since 2×1356405190² = 3679670078917872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9688539 + ... + 9688678.

It is an arithmetic number, because the mean of its divisors is an integer number (174394962).

Almost surely, 2^1356405190 is an apocalyptic number.

1356405190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356405190 is an abundant number, since it is smaller than the sum of its proper divisors (1433914202).

1356405190 is a wasteful number, since it uses less digits than its factorization.

1356405190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377231.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1356405190 is about 36829.4065931017. The cubic root of 1356405190 is about 1106.9546125974.

The spelling of 1356405190 in words is "one billion, three hundred fifty-six million, four hundred five thousand, one hundred ninety".