191937401130 has 32 divisors (see below), whose sum is σ = 460849258368. Its totient is φ = 51161140800.

The previous prime is 191937401129. The next prime is 191937401141. The reversal of 191937401130 is 31104739191.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314901 + ... + 1453560.

It is an arithmetic number, because the mean of its divisors is an integer number (14401539324).

Almost surely, 2^191937401130 is an apocalyptic number.

191937401130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191937401130 is an abundant number, since it is smaller than the sum of its proper divisors (268911857238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191937401130 is a wasteful number, since it uses less digits than its factorization.

191937401130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770782.

The product of its (nonzero) digits is 20412, while the sum is 39.

The spelling of 191937401130 in words is "one hundred ninety-one billion, nine hundred thirty-seven million, four hundred one thousand, one hundred thirty".