1361552090 has 32 divisors (see below), whose sum is σ = 2491430400. Its totient is φ = 535628800.

The previous prime is 1361552081. The next prime is 1361552107. The reversal of 1361552090 is 902551631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316655 + ... + 320925.

It is an arithmetic number, because the mean of its divisors is an integer number (77857200).

Almost surely, 2^1361552090 is an apocalyptic number.

1361552090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361552090 is a deficient number, since it is larger than the sum of its proper divisors (1129878310).

1361552090 is a wasteful number, since it uses less digits than its factorization.

1361552090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1361552090 is about 36899.2153033096. The cubic root of 1361552090 is about 1108.3529640684.

The spelling of 1361552090 in words is "one billion, three hundred sixty-one million, five hundred fifty-two thousand, ninety".