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137927970397 = 7191278165767
BaseRepresentation
bin1000000001110100100…
…1011100111001011101
3111012000102210212111001
42000131021130321131
54224434030023042
6143210243030301
712651661255450
oct2003511347135
9435012725431
10137927970397
115354981a688
122289396b391
1310011518389
146966383497
1538c3d81bb7
hex201d25ce5d

137927970397 has 16 divisors (see below), whose sum is σ = 167234928640. Its totient is φ = 111119743728.

The previous prime is 137927970353. The next prime is 137927970403. The reversal of 137927970397 is 793079729731.

It is not a de Polignac number, because 137927970397 - 27 = 137927970269 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 (137927970197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065993 + ... + 4099774.

It is an arithmetic number, because the mean of its divisors is an integer number (10452183040).

Almost surely, 2137927970397 is an apocalyptic number.

It is an amenable number.

137927970397 is a deficient number, since it is larger than the sum of its proper divisors (29306958243).

137927970397 is a wasteful number, since it uses less digits than its factorization.

137927970397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8165920.

The product of its (nonzero) digits is 31505922, while the sum is 64.

The spelling of 137927970397 in words is "one hundred thirty-seven billion, nine hundred twenty-seven million, nine hundred seventy thousand, three hundred ninety-seven".

Divisors: 1 7 19 127 133 889 2413 16891 8165767 57160369 155149573 1037052409 1086047011 7259366863 19703995771 137927970397