137454887 has 2 divisors, whose sum is σ = 137454888. Its totient is φ = 137454886.

The previous prime is 137454883. The next prime is 137454907. The reversal of 137454887 is 788454731.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (788454731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137454887 - 2² = 137454883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137454883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68727443 + 68727444.

It is an arithmetic number, because the mean of its divisors is an integer number (68727444).

Almost surely, 2^137454887 is an apocalyptic number.

137454887 is a deficient number, since it is larger than the sum of its proper divisors (1).

137454887 is an equidigital number, since it uses as much as digits as its factorization.

137454887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 47.

The square root of 137454887 is about 11724.1156169666. The cubic root of 137454887 is about 516.0836039745.

The spelling of 137454887 in words is "one hundred thirty-seven million, four hundred fifty-four thousand, eight hundred eighty-seven".