1355164590 has 64 divisors (see below), whose sum is σ = 3597281856. Its totient is φ = 324559872.

The previous prime is 1355164589. The next prime is 1355164621. The reversal of 1355164590 is 954615531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32527 + ... + 61386.

It is an arithmetic number, because the mean of its divisors is an integer number (56207529).

Almost surely, 2^1355164590 is an apocalyptic number.

1355164590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355164590 is an abundant number, since it is smaller than the sum of its proper divisors (2242117266).

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

1355164590 is a wasteful number, since it uses less digits than its factorization.

1355164590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93973.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 1355164590 is about 36812.5602206638. The cubic root of 1355164590 is about 1106.6170274383.

The spelling of 1355164590 in words is "one billion, three hundred fifty-five million, one hundred sixty-four thousand, five hundred ninety".