137465387 has 4 divisors (see below), whose sum is σ = 137778960. Its totient is φ = 137151816.

The previous prime is 137465381. The next prime is 137465407. The reversal of 137465387 is 783564731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137465387 - 2⁸ = 137465131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137465381) 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, 156128 + ... + 157005.

It is an arithmetic number, because the mean of its divisors is an integer number (34444740).

Almost surely, 2^137465387 is an apocalyptic number.

137465387 is a deficient number, since it is larger than the sum of its proper divisors (313573).

137465387 is an equidigital number, since it uses as much as digits as its factorization.

137465387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313572.

The product of its digits is 423360, while the sum is 44.

The square root of 137465387 is about 11724.5634033852. The cubic root of 137465387 is about 516.0967446249.

The spelling of 137465387 in words is "one hundred thirty-seven million, four hundred sixty-five thousand, three hundred eighty-seven".