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136403157 = 31119920771
BaseRepresentation
bin10000010000101…
…01100011010101
3100111122222221210
420020111203111
5234404400112
621311332033
73244256562
oct1010254325
9314588853
10136403157
116aaa5790
1239821019
132234b137
1414189869
15be95b3c
hex82158d5

136403157 has 16 divisors (see below), whose sum is σ = 199411200. Its totient is φ = 82249200.

The previous prime is 136403149. The next prime is 136403159. The reversal of 136403157 is 751304631.

It is not a de Polignac number, because 136403157 - 23 = 136403149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136403159) 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 15 ways as a sum of consecutive naturals, for example, 3819 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (12463200).

Almost surely, 2136403157 is an apocalyptic number.

It is an amenable number.

136403157 is a deficient number, since it is larger than the sum of its proper divisors (63008043).

136403157 is a wasteful number, since it uses less digits than its factorization.

136403157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 136403157 is about 11679.1762123876. The cubic root of 136403157 is about 514.7639688819.

Adding to 136403157 its reverse (751304631), we get a palindrome (887707788).

The spelling of 136403157 in words is "one hundred thirty-six million, four hundred three thousand, one hundred fifty-seven".

Divisors: 1 3 11 33 199 597 2189 6567 20771 62313 228481 685443 4133429 12400287 45467719 136403157