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135362021 = 374777839
BaseRepresentation
bin10000001000101…
…11010111100101
3100102201002210012
420010113113211
5234123041041
621233140005
73232362314
oct1004272745
9312632705
10135362021
116a454543
12393ba605
1322075292
1413d9827b
15bd3c3eb
hex81175e5

135362021 has 8 divisors (see below), whose sum is σ = 141980160. Its totient is φ = 128899728.

The previous prime is 135362009. The next prime is 135362039. The reversal of 135362021 is 120263531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135362021 - 26 = 135361957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135362621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181 + ... + 40658.

It is an arithmetic number, because the mean of its divisors is an integer number (17747520).

Almost surely, 2135362021 is an apocalyptic number.

It is an amenable number.

135362021 is a deficient number, since it is larger than the sum of its proper divisors (6618139).

135362021 is an equidigital number, since it uses as much as digits as its factorization.

135362021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77923.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 135362021 is about 11634.5185117391. The cubic root of 135362021 is about 513.4509282043.

The spelling of 135362021 in words is "one hundred thirty-five million, three hundred sixty-two thousand, twenty-one".

Divisors: 1 37 47 1739 77839 2880043 3658433 135362021