137746867 has 4 divisors (see below), whose sum is σ = 138831616. Its totient is φ = 136662120.

The previous prime is 137746859. The next prime is 137746891. The reversal of 137746867 is 768647731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768647731 = 37 ⋅20774263.

It is a cyclic number.

It is not a de Polignac number, because 137746867 - 2³ = 137746859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137746867.

It is not an unprimeable number, because it can be changed into a prime (137746267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542184 + ... + 542437.

It is an arithmetic number, because the mean of its divisors is an integer number (34707904).

Almost surely, 2^137746867 is an apocalyptic number.

137746867 is a deficient number, since it is larger than the sum of its proper divisors (1084749).

137746867 is a wasteful number, since it uses less digits than its factorization.

137746867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084748.

The product of its digits is 1185408, while the sum is 49.

The square root of 137746867 is about 11736.5611232592. The cubic root of 137746867 is about 516.4487650454.

The spelling of 137746867 in words is "one hundred thirty-seven million, seven hundred forty-six thousand, eight hundred sixty-seven".