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136515073 = 1056712919
BaseRepresentation
bin10000010001100…
…00111000000001
3100111212200110211
420020300320001
5234421440243
621313554121
73245234062
oct1010607001
9314780424
10136515073
1170071882
1239875941
132238a066
14141b8569
15beb8d9d
hex8230e01

136515073 has 4 divisors (see below), whose sum is σ = 136538560. Its totient is φ = 136491588.

The previous prime is 136515061. The next prime is 136515077. The reversal of 136515073 is 370515631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 136515073 - 29 = 136514561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136515077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (34134640).

Almost surely, 2136515073 is an apocalyptic number.

It is an amenable number.

136515073 is a deficient number, since it is larger than the sum of its proper divisors (23487).

136515073 is a wasteful number, since it uses less digits than its factorization.

136515073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23486.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 136515073 is about 11683.9664925915. The cubic root of 136515073 is about 514.9047148313.

The spelling of 136515073 in words is "one hundred thirty-six million, five hundred fifteen thousand, seventy-three".

Divisors: 1 10567 12919 136515073