137501401 has 4 divisors (see below), whose sum is σ = 140699152. Its totient is φ = 134303652.

The previous prime is 137501393. The next prime is 137501411. The reversal of 137501401 is 104105731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104105731 = 19 ⋅5479249.

It is a cyclic number.

It is not a de Polignac number, because 137501401 - 2³ = 137501393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137501411) 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, 1598811 + ... + 1598896.

It is an arithmetic number, because the mean of its divisors is an integer number (35174788).

Almost surely, 2^137501401 is an apocalyptic number.

It is an amenable number.

137501401 is a deficient number, since it is larger than the sum of its proper divisors (3197751).

137501401 is an equidigital number, since it uses as much as digits as its factorization.

137501401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197750.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 137501401 is about 11726.0991382471. The cubic root of 137501401 is about 516.1418107216.

It can be divided in two parts, 13750 and 1401, that added together give a palindrome (15151).

The spelling of 137501401 in words is "one hundred thirty-seven million, five hundred one thousand, four hundred one".