137892457 has 8 divisors (see below), whose sum is σ = 146118816. Its totient is φ = 129678912.

The previous prime is 137892449. The next prime is 137892467. The reversal of 137892457 is 754298731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137892457 - 2³ = 137892449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137892467) 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, 27378 + ... + 32020.

It is an arithmetic number, because the mean of its divisors is an integer number (18264852).

Almost surely, 2^137892457 is an apocalyptic number.

137892457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

137892457 is a deficient number, since it is larger than the sum of its proper divisors (8226359).

137892457 is a wasteful number, since it uses less digits than its factorization.

137892457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its digits is 423360, while the sum is 46.

The square root of 137892457 is about 11742.7618982929. The cubic root of 137892457 is about 516.6306525481.

The spelling of 137892457 in words is "one hundred thirty-seven million, eight hundred ninety-two thousand, four hundred fifty-seven".