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137429868 = 22341279329
BaseRepresentation
bin10000011000100…
…00001101101100
3100120121011100010
420030100031230
5240140223433
621345333220
73256064112
oct1014201554
9316534303
10137429868
1170637104
123a037210
132261a564
1414375ab2
15c0e9e63
hex831036c

137429868 has 24 divisors (see below), whose sum is σ = 328492080. Its totient is φ = 44692480.

The previous prime is 137429863. The next prime is 137429879. The reversal of 137429868 is 868924731.

It is not an unprimeable number, because it can be changed into a prime (137429863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139173 + ... + 140156.

It is an arithmetic number, because the mean of its divisors is an integer number (13687170).

Almost surely, 2137429868 is an apocalyptic number.

It is an amenable number.

137429868 is an abundant number, since it is smaller than the sum of its proper divisors (191062212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137429868 is a wasteful number, since it uses less digits than its factorization.

137429868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279377 (or 279375 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 137429868 is about 11723.0485796144. The cubic root of 137429868 is about 516.0522902360.

The spelling of 137429868 in words is "one hundred thirty-seven million, four hundred twenty-nine thousand, eight hundred sixty-eight".