137788139371 has 2 divisors, whose sum is σ = 137788139372. Its totient is φ = 137788139370.

The previous prime is 137788139347. The next prime is 137788139381. The reversal of 137788139371 is 173931887731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137788139371 is a prime.

It is not a weakly prime, because it can be changed into another prime (137788139311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68894069685 + 68894069686.

It is an arithmetic number, because the mean of its divisors is an integer number (68894069686).

Almost surely, 2^137788139371 is an apocalyptic number.

137788139371 is a deficient number, since it is larger than the sum of its proper divisors (1).

137788139371 is an equidigital number, since it uses as much as digits as its factorization.

137788139371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 58.

The spelling of 137788139371 in words is "one hundred thirty-seven billion, seven hundred eighty-eight million, one hundred thirty-nine thousand, three hundred seventy-one".