137776402623 has 16 divisors (see below), whose sum is σ = 186419632896. Its totient is φ = 90493865280.

The previous prime is 137776402597. The next prime is 137776402639. The reversal of 137776402623 is 326204677731.

It is a happy number.

It is not a de Polignac number, because 137776402623 - 2⁵ = 137776402591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137776402693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79536 + ... + 530922.

It is an arithmetic number, because the mean of its divisors is an integer number (11651227056).

Almost surely, 2^137776402623 is an apocalyptic number.

137776402623 is a deficient number, since it is larger than the sum of its proper divisors (48643230273).

137776402623 is a wasteful number, since it uses less digits than its factorization.

137776402623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452894.

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 137776402623 in words is "one hundred thirty-seven billion, seven hundred seventy-six million, four hundred two thousand, six hundred twenty-three".