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136497357 = 3215166373
BaseRepresentation
bin10000010001011…
…00100011001101
3100111211210011200
420020230203031
5234420403412
621313340113
73245131323
oct1010544315
9314753150
10136497357
117005a537
1239867639
1322381c89
14141b1d13
15beb39dc
hex822c8cd

136497357 has 6 divisors (see below), whose sum is σ = 197162862. Its totient is φ = 90998232.

The previous prime is 136497343. The next prime is 136497373. The reversal of 136497357 is 753794631.

It can be written as a sum of positive squares in only one way, i.e., 108555561 + 27941796 = 10419^2 + 5286^2 .

It is not a de Polignac number, because 136497357 - 26 = 136497293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136497397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7583178 + ... + 7583195.

It is an arithmetic number, because the mean of its divisors is an integer number (32860477).

Almost surely, 2136497357 is an apocalyptic number.

It is an amenable number.

136497357 is a deficient number, since it is larger than the sum of its proper divisors (60665505).

136497357 is a wasteful number, since it uses less digits than its factorization.

136497357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166379 (or 15166376 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 136497357 is about 11683.2083350422. The cubic root of 136497357 is about 514.8824402542.

The spelling of 136497357 in words is "one hundred thirty-six million, four hundred ninety-seven thousand, three hundred fifty-seven".

Divisors: 1 3 9 15166373 45499119 136497357