137194031 has 6 divisors (see below), whose sum is σ = 148559400. Its totient is φ = 126640488.

The previous prime is 137194019. The next prime is 137194067. The reversal of 137194031 is 130491731.

It is a happy number.

137194031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137194031 - 2⁶ = 137193967 is a prime.

It is a super-2 number, since 2×137194031² = 37644404284057922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137193985 and 137194003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137194831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405731 + ... + 406068.

It is an arithmetic number, because the mean of its divisors is an integer number (24759900).

Almost surely, 2^137194031 is an apocalyptic number.

137194031 is a deficient number, since it is larger than the sum of its proper divisors (11365369).

137194031 is an equidigital number, since it uses as much as digits as its factorization.

137194031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811825 (or 811812 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 137194031 is about 11712.9855715782. The cubic root of 137194031 is about 515.7569301148.

The spelling of 137194031 in words is "one hundred thirty-seven million, one hundred ninety-four thousand, thirty-one".